diff --git a/include/bgm.h b/include/bgm.h
index 4cd19c957a..b89944fb97 100644
--- a/include/bgm.h
+++ b/include/bgm.h
@@ -3,4 +3,118 @@
 
 #define NA_BGM_STOP 0x100000FF
 
+#define NA_BGM_GENERAL_SFX 0x0       // General Sound Effects
+#define NA_BGM_NATURE_BACKGROUND 0x1 // Environmental nature background sounds
+#define NA_BGM_FIELD_LOGIC 0x2       // Hyrule Field
+#define NA_BGM_FIELD_INIT 0x3        // Hyrule Field	Initial Segment From Loading Area
+#define NA_BGM_FIELD_MOVE_1 0x4      // Hyrule Field	Moving Segment 1
+#define NA_BGM_FIELD_MOVE_2 0x5      // Hyrule Field	Moving Segment 2
+#define NA_BGM_FIELD_MOVE_3 0x6      // Hyrule Field	Moving Segment 3
+#define NA_BGM_FIELD_MOVE_4 0x7      // Hyrule Field	Moving Segment 4
+#define NA_BGM_FIELD_MOVE_5 0x8      // Hyrule Field	Moving Segment 5
+#define NA_BGM_FIELD_MOVE_6 0x9      // Hyrule Field	Moving Segment 6
+#define NA_BGM_FIELD_MOVE_7 0x0A     // Hyrule Field	Moving Segment 7
+#define NA_BGM_FIELD_MOVE_8 0x0B     // Hyrule Field	Moving Segment 8
+#define NA_BGM_FIELD_MOVE_9 0x0C     // Hyrule Field	Moving Segment 9
+#define NA_BGM_FIELD_MOVE_A 0x0D     // Hyrule Field	Moving Segment 10
+#define NA_BGM_FIELD_MOVE_B 0x0E     // Hyrule Field	Moving Segment 11
+#define NA_BGM_FIELD_ENEMY_INIT 0x0F // Hyrule Field	Enemy Approaches
+#define NA_BGM_FIELD_ENEMY_1 0x10    // Hyrule Field	Enemy Near Segment 1
+#define NA_BGM_FIELD_ENEMY_2 0x11    // Hyrule Field	Enemy Near Segment 2
+#define NA_BGM_FIELD_ENEMY_3 0x12    // Hyrule Field	Enemy Near Segment 3
+#define NA_BGM_FIELD_ENEMY_4 0x13    // Hyrule Field	Enemy Near Segment 4
+#define NA_BGM_FIELD_STILL_1 0x14    // Hyrule Field	Standing Still Segment 1
+#define NA_BGM_FIELD_STILL_2 0x15    // Hyrule Field	Standing Still Segment 2
+#define NA_BGM_FIELD_STILL_3 0x16    // Hyrule Field	Standing Still Segment 3
+#define NA_BGM_FIELD_STILL_4 0x17    // Hyrule Field	Standing Still Segment 4
+#define NA_BGM_DUNGEON 0x18          // Dodongo's Cavern
+#define NA_BGM_KAKARIKO_ADULT 0x19   // Kakariko Village (Adult)
+#define NA_BGM_ENEMY 0x1A            // Battle
+#define NA_BGM_BOSS 0x1B             // Boss Battle "NA_BGM_BOSS00"
+#define NA_BGM_INSIDE_DEKU_TREE 0x1C // Inside the Deku Tree "NA_BGM_FAIRY_DUNGEON"
+#define NA_BGM_MARKET 0x1D           // Market
+#define NA_BGM_TITLE 0x1E            // Title Theme
+#define NA_BGM_LINK_HOUSE 0x1F       // House
+#define NA_BGM_GAME_OVER 0x20        // Game Over
+#define NA_BGM_BOSS_CLEAR 0x21       // Boss Clear
+#define NA_BGM_ITEM_GET 0x22         // Obtain Item
+#define NA_BGM_OPENING_GANON 0x23    // Enter Ganondorf
+#define NA_BGM_HEART_GET 0x24        // Obtain Heart Container
+#define NA_BGM_OCA_LIGHT 0x25        // Prelude of Light
+#define NA_BGM_JABU_JABU 0x26        // Inside Jabu-Jabu's Belly "NA_BGM_BUYO_DUNGEON"
+#define NA_BGM_KAKARIKO_KID 0x27     // Kakariko Village (Child)
+#define NA_BGM_GREAT_FAIRY 0x28      // Great Fairy's Fountain "NA_BGM_GODESS"
+#define NA_BGM_ZELDA_THEME 0x29      // Zelda's Theme "NA_BGM_HIME"
+#define NA_BGM_FIRE_TEMPLE 0x2A      // Fire Temple "NA_BGM_FIRE_DUNGEON"
+#define NA_BGM_OPEN_TRE_BOX 0x2B     // Open Treasure Chest
+#define NA_BGM_FOREST_TEMPLE 0x2C    // Forest Temple "NA_BGM_FORST_DUNGEON"
+#define NA_BGM_COURTYARD 0x2D        // Hyrule Castle Courtyard "NA_BGM_HIRAL_GARDEN"
+#define NA_BGM_GANON_TOWER 0x2E      // Ganondorf's Theme
+#define NA_BGM_LONLON 0x2F           // Lon Lon Ranch "NA_BGM_RONRON"
+#define NA_BGM_GORON_CITY 0x30       // Goron City "NA_BGM_GORON"
+#define NA_BGM_FIELD_MORNING 0x31    // Hyrule Field Morning Theme
+#define NA_BGM_SPIRITUAL_STONE 0x32  // Spiritual Stone Get "NA_BGM_SPIRIT_STONE"
+#define NA_BGM_OCA_BOLERO 0x33       // Bolero of Fire "NA_BGM_OCA_FLAME"
+#define NA_BGM_OCA_MINUET 0x34       // Minuet of Forest "NA_BGM_OCA_WIND"
+#define NA_BGM_OCA_SERENADE 0x35     // Serenade of Water "NA_BGM_OCA_WATER"
+#define NA_BGM_OCA_REQUIEM 0x36      // Requiem of Spirit "NA_BGM_OCA_SOUL"
+#define NA_BGM_OCA_NOCTURNE 0x37     // Nocturne of Shadow "NA_BGM_OCA_DARKNESS"
+#define NA_BGM_MINI_BOSS 0x38        // Mini-Boss Battle "NA_BGM_MIDDLE_BOSS"
+#define NA_BGM_SMALL_ITEM_GET 0x39   // Obtain Small Item "NA_BGM_S_ITEM_GET"
+#define NA_BGM_TEMPLE_OF_TIME 0x3A   // Temple of Time "NA_BGM_SHRINE_OF_TIME"
+#define NA_BGM_EVENT_CLEAR 0x3B      // Escape from Lon Lon Ranch
+#define NA_BGM_KOKIRI 0x3C           // Kokiri Forest
+#define NA_BGM_OCA_FAIRY_GET 0x3D    // Obtain Fairy Ocarina "NA_BGM_OCA_YOUSEI"
+#define NA_BGM_SARIA_THEME 0x3E      // Lost Woods "NA_BGM_MAYOIMORI"
+#define NA_BGM_SPIRIT_TEMPLE 0x3F    // Spirit Temple "NA_BGM_SOUL_DUNGEON"
+#define NA_BGM_HORSE 0x40            // Horse Race
+#define NA_BGM_HORSE_GOAL 0x41       // Horse Race Goal
+#define NA_BGM_INGO 0x42             // Ingo's Theme
+#define NA_BGM_MEDALLION_GET 0x43    // Obtain Medallion "NA_BGM_MEDAL_GET"
+#define NA_BGM_OCA_SARIA 0x44        // Ocarina Saria's Song
+#define NA_BGM_OCA_EPONA 0x45        // Ocarina Epona's Song
+#define NA_BGM_OCA_ZELDA 0x46        // Ocarina Zelda's Lullaby
+#define NA_BGM_OCA_SUNS 0x47         // Ocarina Sun's Song "NA_BGM_OCA_SUNMOON"
+#define NA_BGM_OCA_TIME 0x48         // Ocarina Song of Time
+#define NA_BGM_OCA_STORM 0x49        // Ocarina Song of Storms
+#define NA_BGM_NAVI_OPENING 0x4A     // Fairy Flying "NA_BGM_NAVI"
+#define NA_BGM_DEKU_TREE_CS 0x4B     // Deku Tree "NA_BGM_DEKUNOKI"
+#define NA_BGM_WINDMILL 0x4C         // Windmill Hut "NA_BGM_FUSHA"
+#define NA_BGM_HYRULE_CS 0x4D        // Legend of Hyrule "NA_BGM_HIRAL_DEMO"
+#define NA_BGM_MINI_GAME 0x4E        // Shooting Gallery
+#define NA_BGM_SHEIK 0x4F            // Sheik's Theme "NA_BGM_SEAK"
+#define NA_BGM_ZORA_DOMAIN 0x50      // Zora's Domain "NA_BGM_ZORA"
+#define NA_BGM_APPEAR 0x51           // Enter Zelda
+#define NA_BGM_ADULT_LINK 0x52       // Goodbye to Zelda
+#define NA_BGM_MASTER_SWORD 0x53     // Master Sword
+#define NA_BGM_INTRO_GANON 0x54
+#define NA_BGM_SHOP 0x55             // Shop
+#define NA_BGM_CHAMBER_OF_SAGES 0x56 // Chamber of the Sages "NA_BGM_KENJA"
+#define NA_BGM_FILE_SELECT 0x57      // File Select
+#define NA_BGM_ICE_CAVERN 0x58       // Ice Cavern "NA_BGM_ICE_DUNGEON"
+#define NA_BGM_DOOR_OF_TIME 0x59     // Open Door of Temple of Time "NA_BGM_GATE_OPEN"
+#define NA_BGM_OWL 0x5A              // Kaepora Gaebora's Theme
+#define NA_BGM_SHADOW_TEMPLE 0x5B    // Shadow Temple "NA_BGM_DARKNESS_DUNGEON"
+#define NA_BGM_WATAER_TEMPLE 0x5C    // Water Temple "NA_BGM_AQUA_DUNGEON"
+#define NA_BGM_BRIDGE_TO_GANONS 0x5D // Ganon's Castle Bridge "NA_BGM_BRIDGE"
+#define NA_BGM_OCARINA_OF_TIME 0x5E  // Ocarina of Time "NA_BGM_SARIA"
+#define NA_BGM_GERUDO_VALLEY 0x5F    // Gerudo Valley "NA_BGM_GERUDO"
+#define NA_BGM_POTION_SHOP 0x60      // Potion Shop "NA_BGM_DRUGSTORE"
+#define NA_BGM_KOTAKE_KOUME 0x61     // Kotake & Koume's Theme
+#define NA_BGM_ESCAPE 0x62           // Escape from Ganon's Castle
+#define NA_BGM_UNDERGROUND 0x63      // Ganon's Castle Under Ground
+#define NA_BGM_GANON_BATTLE_1 0x64   // Ganondorf Battle
+#define NA_BGM_GANON_BATTLE_2 0x65   // Ganon Battle
+#define NA_BGM_END_DEMO 0x66         // Seal of Six Sages
+#define NA_BGM_STAFF_1 0x67          // End Credits I
+#define NA_BGM_STAFF_2 0x68          // End Credits II
+#define NA_BGM_STAFF_3 0x69          // End Credits III
+#define NA_BGM_STAFF_4 0x6A          // End Credits IV
+#define NA_BGM_FIRE_BOSS 0x6B        // King Dodongo & Volvagia Boss Battle "NA_BGM_BOSS01"
+#define NA_BGM_MINI_GAME_2 0x6C      // Mini-Game
+#define NA_BGM_VARIOUS_SFX 0x6D      // A small collection of various sound effects
+#define NA_BGM_NO_MUSIC 0x7F         // No bgm music is played
+#define NA_BGM_NATURE_SFX_RAIN 0x80  // Related to rain
+#define NA_BGM_DISABLED 0xFFFF
+
 #endif
diff --git a/src/code/code_800EC960.c b/src/code/code_800EC960.c
index 92b7020cf3..5ec4718509 100644
--- a/src/code/code_800EC960.c
+++ b/src/code/code_800EC960.c
@@ -119,9 +119,9 @@ s8 sAudioCodeReverb = 0;
 u8 D_8013061C = 0;
 f32 sAudioEnemyDist = 0.0f;
 s8 sAudioEnemyVol = 127;
-u16 D_80130628 = 0xFFFF;
+u16 D_80130628 = NA_BGM_DISABLED;
 u8 D_8013062C = 0;
-u8 D_80130630 = 0;
+u8 D_80130630 = NA_BGM_GENERAL_SFX;
 u32 D_80130634 = 0;
 u32 D_80130638 = 0;
 u8 D_8013063C = 0;
@@ -2681,7 +2681,7 @@ void AudioDebug_ProcessInput(void) {
             if (CHECK_BTN_ANY(sDebugPadPress, BTN_A)) {
                 sAudioSndContWork[5] ^= 1;
                 Audio_SeqCmdE01(0, sAudioSndContWork[5]);
-                if (func_800FA0B4(0) != 1) {
+                if (func_800FA0B4(0) != NA_BGM_NATURE_BACKGROUND) {
                     Audio_SeqCmd1(0, 0);
                 }
                 Audio_SeqCmd1(1, 0);
@@ -3124,7 +3124,7 @@ void func_800F3ED4(void) {
 
 void func_800F3F3C(u8 arg0) {
     if (gSoundBankMuted[0] != 1) {
-        Audio_StartSeq(3, 0, 0x6D);
+        Audio_StartSeq(3, 0, NA_BGM_VARIOUS_SFX);
         Audio_SeqCmd8(3, 0, 0, arg0);
     }
 }
@@ -3481,7 +3481,7 @@ void func_800F510C(s8 volSplit) {
     u8 i;
     u8 j;
 
-    if ((func_800FA0B4(1) == 0xFFFF) && (func_800FA0B4(3) != 0x2F)) {
+    if ((func_800FA0B4(1) == NA_BGM_DISABLED) && (func_800FA0B4(3) != NA_BGM_LONLON)) {
         for (i = 0; i < 2; i++) {
             if (i == 0) {
                 vol = volSplit;
@@ -3547,7 +3547,7 @@ void Audio_PlaySariaBgm(Vec3f* pos, u16 seqId, u16 distMax) {
         vol = 0;
     }
 
-    if (seqId != 40) {
+    if (seqId != NA_BGM_GREAT_FAIRY) {
         func_800F510C(vol);
     }
 
@@ -3568,8 +3568,8 @@ void func_800F5550(u16 seqId) {
     u8 sp27 = 0;
     u16 nv;
 
-    if (func_800FA0B4(0) != 0x4C) {
-        if (func_800FA0B4(3) == 0x2F) {
+    if (func_800FA0B4(0) != NA_BGM_WINDMILL) {
+        if (func_800FA0B4(3) == NA_BGM_LONLON) {
             func_800F9474(3, 0);
             Audio_QueueCmdS32(0xF8000000, 0);
         }
@@ -3600,7 +3600,7 @@ void func_800F56A8(void) {
 
     temp_v0 = func_800FA0B4(0);
     bvar = temp_v0 & 0xFF;
-    if ((temp_v0 != 0xFFFF) && ((D_80130658[bvar] & 0x10) != 0)) {
+    if ((temp_v0 != NA_BGM_DISABLED) && ((D_80130658[bvar] & 0x10) != 0)) {
         if (D_8013062C != 0xC0) {
             D_8013062C = gAudioContext.seqPlayers->unk_158[3];
         } else {
@@ -3610,8 +3610,8 @@ void func_800F56A8(void) {
 }
 
 void func_800F5718(void) {
-    if (func_800FA0B4(0) != 0x4C) {
-        Audio_StartSeq(0, 0, 0x4C);
+    if (func_800FA0B4(0) != NA_BGM_WINDMILL) {
+        Audio_StartSeq(0, 0, NA_BGM_WINDMILL);
     }
 }
 
@@ -3625,7 +3625,7 @@ void func_800F574C(f32 arg0, u8 arg2) {
 }
 
 void func_800F5918(void) {
-    if (func_800FA0B4(0) == 0x6C && func_800FA11C(0, 0xF0000000)) {
+    if (func_800FA0B4(0) == NA_BGM_MINI_GAME_2 && func_800FA11C(0, 0xF0000000)) {
         Audio_SeqCmdB(0, 5, 0, 0xD2);
     }
 }
@@ -3676,9 +3676,9 @@ void func_800F5ACC(u16 arg0) {
     u16 temp_v0;
 
     temp_v0 = func_800FA0B4(0);
-    if ((temp_v0 & 0xFF) != 0x2E && (temp_v0 & 0xFF) != 0x62 && temp_v0 != arg0) {
+    if ((temp_v0 & 0xFF) != NA_BGM_GANON_TOWER && (temp_v0 & 0xFF) != NA_BGM_ESCAPE && temp_v0 != arg0) {
         func_800F5E90(3);
-        if (temp_v0 != 0xFFFF) {
+        if (temp_v0 != NA_BGM_DISABLED) {
             D_80130628 = temp_v0;
         } else {
             osSyncPrintf("Middle Boss BGM Start not stack \n");
@@ -3688,13 +3688,14 @@ void func_800F5ACC(u16 arg0) {
 }
 
 void func_800F5B58(void) {
-    if ((func_800FA0B4(0) != 0xFFFF) && (D_80130628 != 0xFFFF) && (D_80130658[func_800FA0B4(0) & 0xFF] & 8)) {
-        if (D_80130628 == 0xFFFF) {
+    if ((func_800FA0B4(0) != NA_BGM_DISABLED) && (D_80130628 != NA_BGM_DISABLED) &&
+        (D_80130658[func_800FA0B4(0) & 0xFF] & 8)) {
+        if (D_80130628 == NA_BGM_DISABLED) {
             Audio_SeqCmd1(0, 0);
         } else {
             Audio_StartSeq(0, 0, D_80130628);
         }
-        D_80130628 = 0xFFFF;
+        D_80130628 = NA_BGM_DISABLED;
     }
 }
 
@@ -3702,17 +3703,17 @@ void func_800F5BF0(u8 arg0) {
     u16 temp_v0;
 
     temp_v0 = func_800FA0B4(0);
-    if (temp_v0 != 1) {
+    if (temp_v0 != NA_BGM_NATURE_BACKGROUND) {
         D_80130628 = temp_v0;
     }
     func_800F6FB4(arg0);
 }
 
 void func_800F5C2C(void) {
-    if (D_80130628 != 0xFFFF) {
+    if (D_80130628 != NA_BGM_DISABLED) {
         Audio_StartSeq(0, 0, D_80130628);
     }
-    D_80130628 = 0xFFFF;
+    D_80130628 = NA_BGM_DISABLED;
 }
 
 void func_800F5C64(u16 arg0) {
@@ -3724,7 +3725,7 @@ void func_800F5C64(u16 arg0) {
     sp26 = func_800FA0B4(1);
     sp1C = func_800E5E84(sp26 & 0xFF, &sp20);
     sp18 = func_800E5E84(arg0 & 0xFF, &sp20);
-    if ((sp26 == 0xFFFF) || (*sp1C == *sp18)) {
+    if ((sp26 == NA_BGM_DISABLED) || (*sp1C == *sp18)) {
         D_8016B9F4 = 1;
     } else {
         D_8016B9F4 = 5;
@@ -3746,19 +3747,19 @@ void func_800F5CF8(void) {
             func_800FA0B4(0);
             sp26 = func_800FA0B4(1);
             sp22 = func_800FA0B4(3);
-            if (sp26 == 0xFFFF) {
+            if (sp26 == NA_BGM_DISABLED) {
                 Audio_SetVolScale(0, 1, 0, 5);
                 Audio_SetVolScale(3, 1, 0, 5);
                 Audio_SeqCmdC(1, 0x80, 1, 0xA);
                 Audio_SeqCmdC(1, 0x83, 1, 0xA);
                 Audio_SeqCmdC(1, 0x90, 0, 0);
-                if (sp22 != 0x2F) {
+                if (sp22 != NA_BGM_LONLON) {
                     Audio_SeqCmdC(1, 0x93, 0, 0);
                 }
             }
             Audio_StartSeq(1, 1, D_8016B9F6);
             Audio_SeqCmdA(0, 0xFFFF);
-            if (sp22 != 0x2F) {
+            if (sp22 != NA_BGM_LONLON) {
                 Audio_SeqCmdA(3, 0xFFFF);
             }
         }
@@ -3776,17 +3777,17 @@ void func_800F5E90(u8 arg0) {
     u8 phi_a3;
 
     D_80130654 = arg0;
-    if (D_80130628 == 0xFFFF) {
+    if (D_80130628 == NA_BGM_DISABLED) {
         if (sAudioCutsceneFlag) {
             arg0 = 3;
         }
         phi_t1 = D_8016E750[0].unk_254;
-        if (phi_t1 == 2 && func_800FA0B4(3) == 0x81A) {
+        if (phi_t1 == NA_BGM_FIELD_LOGIC && func_800FA0B4(3) == (NA_BGM_ENEMY | 0x800)) {
             arg0 = 3;
         }
 
         phi_a3 = phi_t1 & 0xFF;
-        if ((phi_t1 == 0xFFFF) || ((D_80130658[phi_a3] & 1) != 0) || ((D_8013061C & 0x7F) == 1)) {
+        if ((phi_t1 == NA_BGM_DISABLED) || ((D_80130658[phi_a3] & 1) != 0) || ((D_8013061C & 0x7F) == 1)) {
             if (arg0 != (D_8013061C & 0x7F)) {
                 if (arg0 == 1) {
                     if (D_8016E750[3].volScales[1] - sAudioEnemyVol < 0) {
@@ -3795,8 +3796,8 @@ void func_800F5E90(u8 arg0) {
                         phi_t0 = D_8016E750[3].volScales[1] - sAudioEnemyVol;
                     }
                     Audio_SetVolScale(3, 3, sAudioEnemyVol, phi_t0);
-                    Audio_StartSeq(3, 10, 0x81A);
-                    if (phi_t1 != 1) {
+                    Audio_StartSeq(3, 10, NA_BGM_ENEMY | 0x800);
+                    if (phi_t1 != NA_BGM_NATURE_BACKGROUND) {
                         Audio_SetVolScale(0, 3, (0x7F - sAudioEnemyVol) & 0xFF, 0xA);
                         func_800F510C(sAudioEnemyVol);
                     }
@@ -3852,11 +3853,11 @@ void func_800F6114(f32 dist) {
 
             sAudioEnemyVol = ((350.0f - adjDist) * 127.0f) / 350.0f;
             Audio_SetVolScale(3, 3, sAudioEnemyVol, 0xA);
-            if (D_8016E750[0].unk_254 != 1) {
+            if (D_8016E750[0].unk_254 != NA_BGM_NATURE_BACKGROUND) {
                 Audio_SetVolScale(0, 3, (0x7F - sAudioEnemyVol), 0xA);
             }
         }
-        if (D_8016E750[0].unk_254 != 1) {
+        if (D_8016E750[0].unk_254 != NA_BGM_NATURE_BACKGROUND) {
             func_800F510C(sAudioEnemyVol);
         }
     }
@@ -3873,7 +3874,7 @@ void func_800F6268(f32 dist, u16 arg1) {
     if (D_8016B9F2 == 0) {
         temp_a0 = (s8)(func_800FA0B4(0) & 0xFF);
         if (temp_a0 == (arg1 & 0xFF)) {
-            if ((arg1 & 0xFF) == 0x2F) {
+            if ((arg1 & 0xFF) == NA_BGM_LONLON) {
 
                 if (dist > 2000.0f) {
                     phi_v1 = 127;
@@ -3889,10 +3890,10 @@ void func_800F6268(f32 dist, u16 arg1) {
                     D_8016B9D8++;
                 }
             }
-        } else if ((temp_a0 == 1) && ((arg1 & 0xFF) == 0x2F)) {
+        } else if ((temp_a0 == NA_BGM_NATURE_BACKGROUND) && ((arg1 & 0xFF) == NA_BGM_LONLON)) {
             temp_a0 = (s8)(func_800FA0B4(3) & 0xFF);
             if ((temp_a0 != (arg1 & 0xFF)) && (D_8016B9D8 < 10)) {
-                func_800F5E18(3, 0x2F, 0, 0, 0);
+                func_800F5E18(3, NA_BGM_LONLON, 0, 0, 0);
                 Audio_SeqCmdA(3, 0xFFFC);
                 D_8016B9D8 = 10;
             }
@@ -3930,10 +3931,10 @@ void func_800F6584(u8 arg0) {
     u16 sp34;
 
     D_8016B9F2 = arg0;
-    if ((func_800FA0B4(0) & 0xFF) == 0x2F) {
+    if ((func_800FA0B4(0) & 0xFF) == NA_BGM_LONLON) {
         seqIdx = 0;
         sp34 = 0;
-    } else if ((func_800FA0B4(3) & 0xFF) == 0x2F) {
+    } else if ((func_800FA0B4(3) & 0xFF) == NA_BGM_LONLON) {
         seqIdx = 3;
         sp34 = 0xFFFC;
     } else {
@@ -3948,7 +3949,7 @@ void func_800F6584(u8 arg0) {
         }
     } else {
         if (seqIdx == 3) {
-            func_800F5E18(3, 0x2F, 0, 0, 0);
+            func_800F5E18(3, NA_BGM_LONLON, 0, 0, 0);
         }
         Audio_SeqCmd6(seqIdx, 1, 0, 0x7F);
         Audio_SeqCmd6(seqIdx, 1, 1, 0x7F);
@@ -4011,7 +4012,7 @@ void func_800F6828(u8 arg0) {
 
     D_80130648 = arg0;
     D_80130640 = arg0;
-    if (D_8016E750[0].unk_254 == 1) {
+    if (D_8016E750[0].unk_254 == NA_BGM_NATURE_BACKGROUND) {
         for (i = 0; i < 16; i++) {
             t = i;
             Audio_QueueCmdS8(((t & 0xFF) << 8) | 0x6000000 | 6, arg0);
@@ -4121,7 +4122,7 @@ void func_800F6C34(void) {
     D_8016B9D8 = 0;
     sSpecReverb = sSpecReverbs[gAudioSpecId];
     D_80130608 = 0;
-    D_80130628 = 0xFFFF;
+    D_80130628 = NA_BGM_DISABLED;
     Audio_QueueCmdS8(0x46000000, -1);
     sSariaBgmPtr = NULL;
     D_8016B9F4 = 0;
@@ -4134,13 +4135,13 @@ void func_800F6D58(u8 arg0, u8 arg1, u8 arg2) {
     u8 temp_a0;
     u8 i;
 
-    if ((D_8016E750[0].unk_254 != 1) && func_800FA11C(1, 0xF00000FF)) {
+    if ((D_8016E750[0].unk_254 != NA_BGM_NATURE_BACKGROUND) && func_800FA11C(1, 0xF00000FF)) {
         sAudioNatureFailed = 1;
         return;
     }
 
     if (((arg0 << 8) + arg1) == 0x101) {
-        if (func_800FA0B4(3) != 0x2F) {
+        if (func_800FA0B4(3) != NA_BGM_LONLON) {
             D_8016B9D8 = 0;
         }
     }
@@ -4160,7 +4161,7 @@ void func_800F6E7C(u16 arg0, u16 arg1) {
     u8 i;
     u32 t;
 
-    if (func_800FA0B4(0) == 0x4C) {
+    if (func_800FA0B4(0) == NA_BGM_WINDMILL) {
         func_800F3F3C(0xF);
         return;
     }
@@ -4175,7 +4176,7 @@ void func_800F6E7C(u16 arg0, u16 arg1) {
         Audio_SeqCmdE01(0, 0);
     }
 
-    Audio_StartSeq(0, 0, 1);
+    Audio_StartSeq(0, 0, NA_BGM_NATURE_BACKGROUND);
 
     if (i != 0) {
         Audio_SeqCmdE01(0, 1);
@@ -4194,7 +4195,7 @@ void func_800F6FB4(u8 arg0) {
     u8 b1;
     u8 b2;
 
-    if ((D_8016E750[0].unk_254 == 0xFFFF) || ((D_80130658[((u8)D_8016E750[0].unk_254) & 0xFF] & 0x80) == 0)) {
+    if ((D_8016E750[0].unk_254 == NA_BGM_DISABLED) || ((D_80130658[((u8)D_8016E750[0].unk_254) & 0xFF] & 0x80) == 0)) {
         func_800F6E7C(D_801306DC[arg0].unk_00, D_801306DC[arg0].unk_02);
         while ((D_801306DC[arg0].unk_04[i] != 0xFF) && (i < 100)) {
             // Probably a fake match, using Audio_SeqCmd8 doesn't work.
diff --git a/src/code/code_800F9280.c b/src/code/code_800F9280.c
index 15f63c2559..ca3884b533 100644
--- a/src/code/code_800F9280.c
+++ b/src/code/code_800F9280.c
@@ -65,7 +65,7 @@ void func_800F9280(u8 seqIdx, u8 seqId, u8 arg2, u16 fadeTimer) {
 void func_800F9474(u8 arg0, u16 arg1) {
     Audio_QueueCmdS32(0x83000000 | ((u8)arg0 << 16),
                       (arg1 * (u16)gAudioContext.audioBufferParameters.updatesPerFrame) / 4);
-    D_8016E750[arg0].unk_254 = 0xFFFF;
+    D_8016E750[arg0].unk_254 = NA_BGM_DISABLED;
 }
 
 typedef enum {
@@ -370,7 +370,7 @@ void Audio_ProcessSeqCmds(void) {
 
 u16 func_800FA0B4(u8 playerIdx) {
     if (!gAudioContext.seqPlayers[playerIdx].enabled) {
-        return 0xFFFF;
+        return NA_BGM_DISABLED;
     }
     return D_8016E750[playerIdx].unk_254;
 }
@@ -672,8 +672,8 @@ void func_800FADF8(void) {
 
     for (i = 0; i < 4; i++) {
         D_8016E348[i] = 0;
-        D_8016E750[i].unk_254 = 0xFFFF;
-        D_8016E750[i].unk_256 = 0xFFFF;
+        D_8016E750[i].unk_254 = NA_BGM_DISABLED;
+        D_8016E750[i].unk_256 = NA_BGM_DISABLED;
         D_8016E750[i].unk_28 = 0;
         D_8016E750[i].unk_18 = 0;
         D_8016E750[i].unk_14 = 0;
diff --git a/src/code/z_common_data.c b/src/code/z_common_data.c
index 43611d9d05..f63c9b4af9 100644
--- a/src/code/z_common_data.c
+++ b/src/code/z_common_data.c
@@ -8,9 +8,9 @@ void SaveContext_Init(void) {
     bzero(&gSaveContext, sizeof(gSaveContext));
     D_8015FA88 = 0;
     D_8015FA8C = 0;
-    gSaveContext.seqIndex = 0xFF;
+    gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
     gSaveContext.nightSeqIndex = 0xFF;
-    gSaveContext.unk_140E = 0;
+    gSaveContext.unk_140E = NA_BGM_GENERAL_SFX;
     gSaveContext.nextCutsceneIndex = 0xFFEF;
     gSaveContext.cutsceneTrigger = 0;
     gSaveContext.chamberCutsceneNum = 0;
diff --git a/src/code/z_game_over.c b/src/code/z_game_over.c
index c41a8e5b8d..1834ea1b98 100644
--- a/src/code/z_game_over.c
+++ b/src/code/z_game_over.c
@@ -64,7 +64,7 @@ void GameOver_Update(GlobalContext* globalCtx) {
 
             gSaveContext.nayrusLoveTimer = 2000;
             gSaveContext.naviTimer = 0;
-            gSaveContext.seqIndex = 0xFF;
+            gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
             gSaveContext.nightSeqIndex = 0xFF;
             gSaveContext.eventInf[0] = 0;
             gSaveContext.eventInf[1] = 0;
diff --git a/src/code/z_kankyo.c b/src/code/z_kankyo.c
index e72a484889..63b0e7b990 100644
--- a/src/code/z_kankyo.c
+++ b/src/code/z_kankyo.c
@@ -1928,12 +1928,12 @@ void func_800758AC(GlobalContext* globalCtx) {
     // both lost woods exits on the bridge from kokiri to hyrule field
     if (((void)0, gSaveContext.entranceIndex) == 0x4DE || ((void)0, gSaveContext.entranceIndex) == 0x5E0) {
         func_800F6FB4(4);
-    } else if (((void)0, gSaveContext.unk_140E) != 0) {
+    } else if (((void)0, gSaveContext.unk_140E) != NA_BGM_GENERAL_SFX) {
         if (!func_80077600()) {
             Audio_QueueSeqCmd((s32)((void)0, gSaveContext.unk_140E));
         }
-        gSaveContext.unk_140E = 0;
-    } else if (globalCtx->soundCtx.seqIndex == 0x7F) {
+        gSaveContext.unk_140E = NA_BGM_GENERAL_SFX;
+    } else if (globalCtx->soundCtx.seqIndex == NA_BGM_NO_MUSIC) {
         if (globalCtx->soundCtx.nightSeqIndex == 0x13) {
             return;
         }
@@ -2402,7 +2402,7 @@ void func_800775F0(u16 arg0) {
 s32 func_80077600(void) {
     s32 ret = false;
 
-    if (gSaveContext.unk_140E == 0xFFFF) {
+    if (gSaveContext.unk_140E == NA_BGM_DISABLED) {
         ret = true;
     }
 
@@ -2424,8 +2424,8 @@ void func_80077684(GlobalContext* globalCtx) {
     func_800F6D58(14, 1, 0);
     func_800F6D58(15, 1, 0);
 
-    if (func_800FA0B4(0) == 1) {
-        gSaveContext.seqIndex = 0x80;
+    if (func_800FA0B4(0) == NA_BGM_NATURE_BACKGROUND) {
+        gSaveContext.seqIndex = NA_BGM_NATURE_SFX_RAIN;
         func_800758AC(globalCtx);
     }
 }
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index e896cddccc..cca7819456 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -4149,7 +4149,7 @@ void Interface_Update(GlobalContext* globalCtx) {
             globalCtx->sceneLoadFlag = 0x14;
             gSaveContext.sunsSongState = SUNSSONG_INACTIVE;
             func_800F6964(30);
-            gSaveContext.seqIndex = 0xFF;
+            gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
             gSaveContext.nightSeqIndex = 0xFF;
         } else {
             gSaveContext.sunsSongState = SUNSSONG_SPECIAL;
diff --git a/src/code/z_play.c b/src/code/z_play.c
index 11e1cea0ec..628dbaf14e 100644
--- a/src/code/z_play.c
+++ b/src/code/z_play.c
@@ -482,7 +482,7 @@ void Gameplay_Update(GlobalContext* globalCtx) {
                                 // "Sound initalized. 222"
                                 osSyncPrintf("\n\n\nサウンドイニシャル来ました。222");
                                 func_800F6964(0x14);
-                                gSaveContext.seqIndex = 0xFF;
+                                gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
                                 gSaveContext.nightSeqIndex = 0xFF;
                             }
                         }
diff --git a/src/code/z_scene.c b/src/code/z_scene.c
index 572cb488cb..f61802f2ca 100644
--- a/src/code/z_scene.c
+++ b/src/code/z_scene.c
@@ -416,7 +416,7 @@ void func_80099140(GlobalContext* globalCtx, SceneCmd* cmd) {
     globalCtx->soundCtx.seqIndex = cmd->soundSettings.seqIndex;
     globalCtx->soundCtx.nightSeqIndex = cmd->soundSettings.nightSeqIndex;
 
-    if (gSaveContext.seqIndex == 0xFF) {
+    if (gSaveContext.seqIndex == (u8)NA_BGM_DISABLED) {
         Audio_QueueSeqCmd(cmd->soundSettings.bgmId | 0xF0000000);
     }
 }
diff --git a/src/overlays/actors/ovl_Bg_Toki_Swd/z_bg_toki_swd.c b/src/overlays/actors/ovl_Bg_Toki_Swd/z_bg_toki_swd.c
index 42eedd80be..678fd41c75 100644
--- a/src/overlays/actors/ovl_Bg_Toki_Swd/z_bg_toki_swd.c
+++ b/src/overlays/actors/ovl_Bg_Toki_Swd/z_bg_toki_swd.c
@@ -110,7 +110,7 @@ void func_808BAF40(BgTokiSwd* this, GlobalContext* globalCtx) {
                 globalCtx->csCtx.segment = D_808BB7A0;
             }
             Audio_QueueSeqCmd(NA_BGM_STOP);
-            Audio_QueueSeqCmd(0x53);
+            Audio_QueueSeqCmd(NA_BGM_MASTER_SWORD);
             gSaveContext.cutsceneTrigger = 1;
             this->actor.parent = NULL;
             BgTokiSwd_SetupAction(this, func_808BB0AC);
diff --git a/src/overlays/actors/ovl_Boss_Dodongo/z_boss_dodongo.c b/src/overlays/actors/ovl_Boss_Dodongo/z_boss_dodongo.c
index 514916291f..9f0111fae6 100644
--- a/src/overlays/actors/ovl_Boss_Dodongo/z_boss_dodongo.c
+++ b/src/overlays/actors/ovl_Boss_Dodongo/z_boss_dodongo.c
@@ -409,7 +409,7 @@ void BossDodongo_IntroCutscene(BossDodongo* this, GlobalContext* globalCtx) {
                                            SEGMENTED_TO_VIRTUAL(&object_kingdodongo_Blob_017410), 0xA0, 0xB4, 0x80,
                                            0x28);
                 }
-                Audio_QueueSeqCmd(0x6B);
+                Audio_QueueSeqCmd(NA_BGM_FIRE_BOSS);
             }
 
             if (this->unk_198 == 0) {
@@ -1598,7 +1598,7 @@ void BossDodongo_DeathCutscene(BossDodongo* this, GlobalContext* globalCtx) {
             }
 
             if (this->unk_1DA == 820) {
-                Audio_QueueSeqCmd(0x21);
+                Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
                 Actor_Spawn(&globalCtx->actorCtx, globalCtx, ACTOR_ITEM_B_HEART,
                             Math_SinS(this->actor.shape.rot.y) * -50.0f + this->actor.world.pos.x,
                             this->actor.world.pos.y,
diff --git a/src/overlays/actors/ovl_Boss_Fd/z_boss_fd.c b/src/overlays/actors/ovl_Boss_Fd/z_boss_fd.c
index 55c5694e26..76c480cf20 100644
--- a/src/overlays/actors/ovl_Boss_Fd/z_boss_fd.c
+++ b/src/overlays/actors/ovl_Boss_Fd/z_boss_fd.c
@@ -190,7 +190,7 @@ void BossFd_Init(Actor* thisx, GlobalContext* globalCtx) {
                    0);
     this->introState = BFD_CS_WAIT;
     if (this->introState == BFD_CS_NONE) {
-        Audio_QueueSeqCmd(0x6B);
+        Audio_QueueSeqCmd(NA_BGM_FIRE_BOSS);
     }
 
     this->actor.world.pos.x = this->actor.world.pos.z = 0.0f;
@@ -490,7 +490,7 @@ void BossFd_Fly(BossFd* this, GlobalContext* globalCtx) {
                     this->camData.yMod = Math_CosS(this->work[BFD_MOVE_TIMER] * 0x8000) * this->camData.shake;
                 }
                 if (this->timers[3] == 160) {
-                    Audio_QueueSeqCmd(0x6B);
+                    Audio_QueueSeqCmd(NA_BGM_FIRE_BOSS);
                 }
                 if ((this->timers[3] == 130) && !(gSaveContext.eventChkInf[7] & 8)) {
                     TitleCard_InitBossName(globalCtx, &globalCtx->actorCtx.titleCtx,
@@ -745,7 +745,7 @@ void BossFd_Fly(BossFd* this, GlobalContext* globalCtx) {
                 if (this->skinSegments != 0) {
                     this->skinSegments--;
                     if (this->skinSegments == 0) {
-                        Audio_QueueSeqCmd(0x21);
+                        Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
                     }
                 } else {
                     this->work[BFD_ACTION_STATE] = BOSSFD_BONES_FALL;
diff --git a/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c b/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
index 3a1fd79281..b0541fd0d9 100644
--- a/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
+++ b/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
@@ -444,7 +444,7 @@ void func_808FD5F4(BossGanon2* this, GlobalContext* globalCtx) {
                 this->actor.world.pos.x = -200.0f;
                 this->actor.world.pos.y = this->actor.world.pos.y - 30.0f;
                 this->actor.world.pos.z = -200.0f;
-                Audio_QueueSeqCmd(0x23);
+                Audio_QueueSeqCmd(NA_BGM_OPENING_GANON);
             } else {
                 break;
             }
@@ -587,7 +587,7 @@ void func_808FD5F4(BossGanon2* this, GlobalContext* globalCtx) {
         case 18:
             this->unk_339 = 6;
             if (this->unk_398 == 30) {
-                Audio_QueueSeqCmd(0x65);
+                Audio_QueueSeqCmd(NA_BGM_GANON_BATTLE_2);
             }
             Math_ApproachF(&this->unk_30C, 7.0f, 1.0f, 0.1f);
             Math_ApproachF(&this->unk_3A4.x, (this->actor.world.pos.x + 500.0f) - 350.0f, 0.1f, 1.0f);
diff --git a/src/overlays/actors/ovl_Boss_Ganondrof/z_boss_ganondrof.c b/src/overlays/actors/ovl_Boss_Ganondrof/z_boss_ganondrof.c
index a68a1e5f1e..92869fc301 100644
--- a/src/overlays/actors/ovl_Boss_Ganondrof/z_boss_ganondrof.c
+++ b/src/overlays/actors/ovl_Boss_Ganondrof/z_boss_ganondrof.c
@@ -1101,7 +1101,7 @@ void BossGanondrof_Death(BossGanondrof* this, GlobalContext* globalCtx) {
             holdCamera = true;
             bodyDecayLevel = 10;
             if (this->timers[0] == 150) {
-                Audio_QueueSeqCmd(0x21);
+                Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
                 Actor_Spawn(&globalCtx->actorCtx, globalCtx, ACTOR_DOOR_WARP1, GND_BOSSROOM_CENTER_X,
                             GND_BOSSROOM_CENTER_Y, GND_BOSSROOM_CENTER_Z, 0, 0, 0, WARP_DUNGEON_ADULT);
             }
diff --git a/src/overlays/actors/ovl_Boss_Goma/z_boss_goma.c b/src/overlays/actors/ovl_Boss_Goma/z_boss_goma.c
index 3ef8766825..3f2714ffaa 100644
--- a/src/overlays/actors/ovl_Boss_Goma/z_boss_goma.c
+++ b/src/overlays/actors/ovl_Boss_Goma/z_boss_goma.c
@@ -925,7 +925,7 @@ void BossGoma_Encounter(BossGoma* this, GlobalContext* globalCtx) {
                                            SEGMENTED_TO_VIRTUAL(gGohmaTitleCardTex), 0xA0, 0xB4, 0x80, 0x28);
                 }
 
-                Audio_QueueSeqCmd(0x1B);
+                Audio_QueueSeqCmd(NA_BGM_BOSS);
                 gSaveContext.eventChkInf[7] |= 1;
             }
 
@@ -1110,7 +1110,7 @@ void BossGoma_Defeated(BossGoma* this, GlobalContext* globalCtx) {
             Math_SmoothStepToF(&this->subCameraAt.z, this->firstTailLimbWorldPos.z, 0.2f, 50.0f, 0.1f);
 
             if (this->timer == 80) {
-                Audio_QueueSeqCmd(0x21);
+                Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
             }
 
             if (this->timer == 0) {
diff --git a/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c b/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c
index 6cbdb3891b..9550f2f051 100644
--- a/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c
+++ b/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c
@@ -360,7 +360,7 @@ void BossMo_Init(Actor* thisx, GlobalContext* globalCtx2) {
             return;
         }
         if (gSaveContext.eventChkInf[7] & 0x10) {
-            Audio_QueueSeqCmd(0x1B);
+            Audio_QueueSeqCmd(NA_BGM_BOSS);
             this->tentMaxAngle = 5.0f;
             this->timers[0] = 50;
         } else {
@@ -1104,7 +1104,7 @@ void BossMo_Tentacle(BossMo* this, GlobalContext* globalCtx) {
                                        WARP_DUNGEON_ADULT);
                     Actor_Spawn(&globalCtx->actorCtx, globalCtx, ACTOR_ITEM_B_HEART, this->actor.world.pos.x + 200.0f,
                                 -280.0f, this->actor.world.pos.z, 0, 0, 0, 0);
-                    Audio_QueueSeqCmd(0x21);
+                    Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
                     Flags_SetClear(globalCtx, globalCtx->roomCtx.curRoom.num);
                 }
             }
@@ -1419,7 +1419,7 @@ void BossMo_IntroCs(BossMo* this, GlobalContext* globalCtx) {
                 this->cameraAccel = 0.01f;
             }
             if (this->timers[2] == 150) {
-                Audio_QueueSeqCmd(0x1B);
+                Audio_QueueSeqCmd(NA_BGM_BOSS);
             }
             if (this->timers[2] == 130) {
                 TitleCard_InitBossName(globalCtx, &globalCtx->actorCtx.titleCtx,
diff --git a/src/overlays/actors/ovl_Boss_Sst/z_boss_sst.c b/src/overlays/actors/ovl_Boss_Sst/z_boss_sst.c
index 0fd9e93d8d..55940d54c9 100644
--- a/src/overlays/actors/ovl_Boss_Sst/z_boss_sst.c
+++ b/src/overlays/actors/ovl_Boss_Sst/z_boss_sst.c
@@ -599,7 +599,7 @@ void BossSst_HeadIntro(BossSst* this, GlobalContext* globalCtx) {
                         TitleCard_InitBossName(globalCtx, &globalCtx->actorCtx.titleCtx,
                                                SEGMENTED_TO_VIRTUAL(&gBongoTitleCardTex), 160, 180, 128, 40);
                     }
-                    Audio_QueueSeqCmd(0x1B);
+                    Audio_QueueSeqCmd(NA_BGM_BOSS);
                     Animation_MorphToPlayOnce(&this->skelAnime, &gBongoHeadEyeCloseAnim, -5.0f);
                     BossSst_HeadSfx(this, NA_SE_EN_SHADEST_DISAPPEAR);
                 }
@@ -1157,7 +1157,7 @@ void BossSst_HeadMelt(BossSst* this, GlobalContext* globalCtx) {
 void BossSst_HeadSetupFinish(BossSst* this) {
     this->actor.draw = BossSst_DrawEffect;
     this->timer = 40;
-    Audio_QueueSeqCmd(0x21);
+    Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
     BossSst_SetCameraTargets(1.0 / 40, 6);
     this->actionFunc = BossSst_HeadFinish;
 }
diff --git a/src/overlays/actors/ovl_Boss_Tw/z_boss_tw.c b/src/overlays/actors/ovl_Boss_Tw/z_boss_tw.c
index 24d0b60ed0..da1ba5b9a8 100644
--- a/src/overlays/actors/ovl_Boss_Tw/z_boss_tw.c
+++ b/src/overlays/actors/ovl_Boss_Tw/z_boss_tw.c
@@ -520,7 +520,7 @@ void BossTw_Init(Actor* thisx, GlobalContext* globalCtx2) {
             this->actor.world.pos.x = -600.0f;
             this->actor.world.pos.y = 400.0f;
             this->actor.world.pos.z = 0.0f;
-            Audio_QueueSeqCmd(0x1B);
+            Audio_QueueSeqCmd(NA_BGM_BOSS);
         } else {
             BossTw_SetupCSWait(this, globalCtx);
         }
@@ -1642,7 +1642,7 @@ void BossTw_TwinrovaMergeCS(BossTw* this, GlobalContext* globalCtx) {
                     this->timers[0] = 50;
                     func_8002DF54(globalCtx, &this->actor, 2);
                     Audio_PlayActorSound2(&this->actor, NA_SE_EN_TWINROBA_TRANSFORM);
-                    Audio_QueueSeqCmd(0x1B);
+                    Audio_QueueSeqCmd(NA_BGM_BOSS);
                 }
             }
 
@@ -1783,7 +1783,7 @@ void BossTw_TwinrovaIntroCS(BossTw* this, GlobalContext* globalCtx) {
     if (this->csSfxTimer == 180) {
         func_80078914(&D_8094A7D0, NA_SE_EN_TWINROBA_LAUGH);
         func_80078914(&D_8094A7D0, NA_SE_EN_TWINROBA_LAUGH2);
-        Audio_QueueSeqCmd(0x61);
+        Audio_QueueSeqCmd(NA_BGM_KOTAKE_KOUME);
     }
 
     this->csSfxTimer++;
@@ -2220,7 +2220,7 @@ void BossTw_TwinrovaIntroCS(BossTw* this, GlobalContext* globalCtx) {
                 TitleCard_InitBossName(globalCtx, &globalCtx->actorCtx.titleCtx,
                                        SEGMENTED_TO_VIRTUAL(object_tw_Blob_02E170), 0xA0, 0xB4, 0x80, 0x28);
                 gSaveContext.eventChkInf[7] |= 0x20;
-                Audio_QueueSeqCmd(0x1B);
+                Audio_QueueSeqCmd(NA_BGM_BOSS);
             }
 
             if (this->work[CS_TIMER_1] >= 160) {
@@ -2767,7 +2767,7 @@ void BossTw_TwinrovaDeathCS(BossTw* this, GlobalContext* globalCtx) {
                 sKoumePtr->visible = 1;
                 sKotakePtr->visible = 1;
                 func_80078884(NA_SE_EN_TWINROBA_TRANSFORM);
-                Audio_QueueSeqCmd(0x61);
+                Audio_QueueSeqCmd(NA_BGM_KOTAKE_KOUME);
                 this->csState2 = 3;
                 this->work[CS_TIMER_2] = 0;
                 this->subCamYaw = this->subCamYawStep = this->actor.speedXZ = this->subCamDistStep = 0.0f;
@@ -2815,7 +2815,7 @@ void BossTw_TwinrovaDeathCS(BossTw* this, GlobalContext* globalCtx) {
                 this->subCamId = 0;
                 func_80064534(globalCtx, &globalCtx->csCtx);
                 func_8002DF54(globalCtx, &this->actor, 7);
-                Audio_QueueSeqCmd(0x21);
+                Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
                 Actor_SpawnAsChild(&globalCtx->actorCtx, &this->actor, globalCtx, ACTOR_DOOR_WARP1, 600.0f, 230.0f,
                                    0.0f, 0, 0, 0, WARP_DUNGEON_ADULT);
                 Actor_Spawn(&globalCtx->actorCtx, globalCtx, ACTOR_ITEM_B_HEART, -600.0f, 230.f, 0.0f, 0, 0, 0, 0);
diff --git a/src/overlays/actors/ovl_Boss_Va/z_boss_va.c b/src/overlays/actors/ovl_Boss_Va/z_boss_va.c
index cb612c6585..9186b2fbc1 100644
--- a/src/overlays/actors/ovl_Boss_Va/z_boss_va.c
+++ b/src/overlays/actors/ovl_Boss_Va/z_boss_va.c
@@ -959,7 +959,7 @@ void BossVa_BodyIntro(BossVa* this, GlobalContext* globalCtx) {
                 globalCtx->envCtx.unk_BF = 1;
                 func_8002DF54(globalCtx, &this->actor, 8);
             } else if (this->timer >= 35000) {
-                Audio_QueueSeqCmd(0x1B);
+                Audio_QueueSeqCmd(NA_BGM_BOSS);
             }
 
             this->timer += this->unk_1F2;
@@ -1600,7 +1600,7 @@ void BossVa_BodyDeath(BossVa* this, GlobalContext* globalCtx) {
             break;
         case DEATH_CORE_BURST:
             if (this->timer == 13) {
-                Audio_QueueSeqCmd(0x21);
+                Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
             }
 
             this->timer--;
diff --git a/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c b/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c
index 48d0a4545c..118fbdee3d 100644
--- a/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c
+++ b/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c
@@ -382,7 +382,7 @@ void DoorWarp1_ChooseInitialAction(DoorWarp1* this, GlobalContext* globalCtx) {
 void DoorWarp1_AwaitClearFlag(DoorWarp1* this, GlobalContext* globalCtx) {
     if (Flags_GetTempClear(globalCtx, this->actor.room)) {
         this->warpTimer = 200;
-        Audio_QueueSeqCmd(0x21);
+        Audio_QueueSeqCmd(NA_BGM_BOSS_CLEAR);
         DoorWarp1_SetupAction(this, func_809995D4);
     }
 }
diff --git a/src/overlays/actors/ovl_En_Bigokuta/z_en_bigokuta.c b/src/overlays/actors/ovl_En_Bigokuta/z_en_bigokuta.c
index 762500701d..259bbe7a82 100644
--- a/src/overlays/actors/ovl_En_Bigokuta/z_en_bigokuta.c
+++ b/src/overlays/actors/ovl_En_Bigokuta/z_en_bigokuta.c
@@ -407,7 +407,7 @@ void func_809BD84C(EnBigokuta* this, GlobalContext* globalCtx) {
         Audio_PlayActorSound2(&this->actor, NA_SE_EN_DAIOCTA_VOICE);
     }
     if (this->unk_196 == 1) {
-        func_800F5ACC(0x38);
+        func_800F5ACC(NA_BGM_MINI_BOSS);
     }
     if (this->actor.params == 1) {
         func_809BD370(this);
@@ -470,7 +470,7 @@ void func_809BDB90(EnBigokuta* this, GlobalContext* globalCtx) {
     }
     if (this->unk_196 == 0) {
         if (this->actor.params == 3) {
-            func_800F5ACC(0x38);
+            func_800F5ACC(NA_BGM_MINI_BOSS);
         }
         func_809BD3F8(this);
     }
diff --git a/src/overlays/actors/ovl_En_Box/z_en_box.c b/src/overlays/actors/ovl_En_Box/z_en_box.c
index 97c9cd60e1..f1f0c93258 100644
--- a/src/overlays/actors/ovl_En_Box/z_en_box.c
+++ b/src/overlays/actors/ovl_En_Box/z_en_box.c
@@ -415,7 +415,7 @@ void EnBox_WaitOpen(EnBox* this, GlobalContext* globalCtx) {
                                        this->dyna.actor.world.pos.x, this->dyna.actor.world.pos.y,
                                        this->dyna.actor.world.pos.z, this->dyna.actor.shape.rot.x,
                                        this->dyna.actor.shape.rot.y, this->dyna.actor.shape.rot.z, 0xFFFF);
-                    func_800F5C64(0x92B);
+                    func_800F5C64(NA_BGM_OPEN_TRE_BOX | 0x900);
             }
         }
         osSyncPrintf("Actor_Environment_Tbox_On() %d\n", this->dyna.actor.params & 0x1F);
diff --git a/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c b/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c
index f158e104e7..0bf70ca7f1 100644
--- a/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c
+++ b/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c
@@ -403,7 +403,7 @@ void EnDaiku_InitEscape(EnDaiku* this, GlobalContext* globalCtx) {
     Vec3s* pointPos;
     s32 exitLoop;
 
-    func_800F5C64(0x51);
+    func_800F5C64(NA_BGM_APPEAR);
     EnDaiku_Change(this, ENDAIKU_ANIM_RUN, &this->currentAnimIndex);
     this->stateFlags &= ~(ENDAIKU_STATEFLAG_1 | ENDAIKU_STATEFLAG_2);
 
diff --git a/src/overlays/actors/ovl_En_Dh/z_en_dh.c b/src/overlays/actors/ovl_En_Dh/z_en_dh.c
index 176ae9df1e..6f289e0a6d 100644
--- a/src/overlays/actors/ovl_En_Dh/z_en_dh.c
+++ b/src/overlays/actors/ovl_En_Dh/z_en_dh.c
@@ -201,7 +201,7 @@ void EnDh_SetupWait(EnDh* this) {
 
 void EnDh_Wait(EnDh* this, GlobalContext* globalCtx) {
     if ((s32)this->skelAnime.curFrame == 5) {
-        func_800F5ACC(0x38);
+        func_800F5ACC(NA_BGM_MINI_BOSS);
     }
     if (Actor_GetCollidedExplosive(globalCtx, &this->collider1.base)) {
         this->actor.params = ENDH_START_ATTACK_BOMB;
diff --git a/src/overlays/actors/ovl_En_Diving_Game/z_en_diving_game.c b/src/overlays/actors/ovl_En_Diving_Game/z_en_diving_game.c
index 38fb620dd5..b9240954ce 100644
--- a/src/overlays/actors/ovl_En_Diving_Game/z_en_diving_game.c
+++ b/src/overlays/actors/ovl_En_Diving_Game/z_en_diving_game.c
@@ -160,7 +160,7 @@ s32 EnDivingGame_HasMinigameFinished(EnDivingGame* this, GlobalContext* globalCt
             func_8010B680(globalCtx, this->actor.textId, NULL);
             this->unk_292 = 5;
             func_800F5B58();
-            func_800F5C64(0x39);
+            func_800F5C64(NA_BGM_SMALL_ITEM_GET);
             func_8002DF54(globalCtx, NULL, 8);
             if (!(gSaveContext.eventChkInf[3] & 0x100)) {
                 this->actionFunc = func_809EE96C;
@@ -416,7 +416,7 @@ void func_809EE800(EnDivingGame* this, GlobalContext* globalCtx) {
         } else {
             func_80088B34(BREG(2) + 50);
         }
-        func_800F5ACC(0x6C);
+        func_800F5ACC(NA_BGM_MINI_GAME_2);
         func_8002DF54(globalCtx, NULL, 7);
         this->actor.textId = 0x405B;
         this->unk_292 = 5;
diff --git a/src/overlays/actors/ovl_En_Dnt_Demo/z_en_dnt_demo.c b/src/overlays/actors/ovl_En_Dnt_Demo/z_en_dnt_demo.c
index aba828feb0..0e9fcf7fa3 100644
--- a/src/overlays/actors/ovl_En_Dnt_Demo/z_en_dnt_demo.c
+++ b/src/overlays/actors/ovl_En_Dnt_Demo/z_en_dnt_demo.c
@@ -161,7 +161,7 @@ void EnDntDemo_Judge(EnDntDemo* this, GlobalContext* globalCtx) {
                     if (!(gSaveContext.itemGetInf[1] & 0x4000)) {
                         reaction = DNT_SIGNAL_CELEBRATE;
                         this->prize = DNT_PRIZE_STICK;
-                        Audio_QueueSeqCmd(0x3E);
+                        Audio_QueueSeqCmd(NA_BGM_SARIA_THEME);
                         break;
                     }
                 case PLAYER_MASK_TRUTH:
@@ -208,17 +208,17 @@ void EnDntDemo_Judge(EnDntDemo* this, GlobalContext* globalCtx) {
                         this->action = sResultValues[resultIdx][1];
                         switch (this->action) {
                             case DNT_ACTION_LOW_RUPEES:
-                                Audio_QueueSeqCmd(0x2D);
+                                Audio_QueueSeqCmd(NA_BGM_COURTYARD);
                                 break;
                             case DNT_ACTION_ATTACK:
                                 if (this->subCamera != SUBCAM_FREE) {
                                     this->subCamera = SUBCAM_FREE;
                                     OnePointCutscene_Init(globalCtx, 2350, -99, &this->scrubs[3]->actor, MAIN_CAM);
                                 }
-                                Audio_QueueSeqCmd(0x81A);
+                                Audio_QueueSeqCmd(NA_BGM_ENEMY | 0x800);
                                 break;
                             case DNT_ACTION_DANCE:
-                                Audio_QueueSeqCmd(0x55);
+                                Audio_QueueSeqCmd(NA_BGM_SHOP);
                                 break;
                         }
                         osSyncPrintf("\n\n");
diff --git a/src/overlays/actors/ovl_En_Dnt_Jiji/z_en_dnt_jiji.c b/src/overlays/actors/ovl_En_Dnt_Jiji/z_en_dnt_jiji.c
index 9da320788d..6d1cf6f02a 100644
--- a/src/overlays/actors/ovl_En_Dnt_Jiji/z_en_dnt_jiji.c
+++ b/src/overlays/actors/ovl_En_Dnt_Jiji/z_en_dnt_jiji.c
@@ -361,7 +361,7 @@ void EnDntJiji_Return(EnDntJiji* this, GlobalContext* globalCtx) {
             if ((this->stage->actor.update != NULL) && (this->stage->leaderSignal == DNT_SIGNAL_NONE)) {
                 this->stage->leaderSignal = DNT_SIGNAL_HIDE;
                 this->stage->action = DNT_ACTION_ATTACK;
-                Audio_QueueSeqCmd(0x81A);
+                Audio_QueueSeqCmd(NA_BGM_ENEMY | 0x800);
             }
         }
         this->actor.speedXZ = 0.0f;
diff --git a/src/overlays/actors/ovl_En_Du/z_en_du.c b/src/overlays/actors/ovl_En_Du/z_en_du.c
index 80d81f1ab2..d8b98f5ee7 100644
--- a/src/overlays/actors/ovl_En_Du/z_en_du.c
+++ b/src/overlays/actors/ovl_En_Du/z_en_du.c
@@ -343,7 +343,7 @@ void func_809FE638(EnDu* this, GlobalContext* globalCtx) {
     if (!(player->stateFlags1 & 0x20000000)) {
         OnePointCutscene_Init(globalCtx, 3330, -99, &this->actor, MAIN_CAM);
         player->actor.shape.rot.y = player->actor.world.rot.y = this->actor.world.rot.y + 0x7FFF;
-        func_800F5C64(0x51);
+        func_800F5C64(NA_BGM_APPEAR);
         EnDu_SetupAction(this, func_809FE6CC);
         this->unk_1E2 = 0x32;
     }
diff --git a/src/overlays/actors/ovl_En_Fd/z_en_fd.c b/src/overlays/actors/ovl_En_Fd/z_en_fd.c
index de31f11645..ea4fc2bdd1 100644
--- a/src/overlays/actors/ovl_En_Fd/z_en_fd.c
+++ b/src/overlays/actors/ovl_En_Fd/z_en_fd.c
@@ -646,7 +646,7 @@ void EnFd_Update(Actor* thisx, GlobalContext* globalCtx) {
     s32 pad;
 
     if (this->firstUpdateFlag) {
-        func_800F5ACC(0x38);
+        func_800F5ACC(NA_BGM_MINI_BOSS);
         this->firstUpdateFlag = false;
     }
 
diff --git a/src/overlays/actors/ovl_En_GeldB/z_en_geldb.c b/src/overlays/actors/ovl_En_GeldB/z_en_geldb.c
index 0e0c1b55e4..7819a541ea 100644
--- a/src/overlays/actors/ovl_En_GeldB/z_en_geldb.c
+++ b/src/overlays/actors/ovl_En_GeldB/z_en_geldb.c
@@ -356,7 +356,7 @@ void EnGeldB_Wait(EnGeldB* this, GlobalContext* globalCtx) {
     } else {
         this->invisible = false;
         this->actor.shape.shadowScale = 90.0f;
-        func_800F5ACC(0x38);
+        func_800F5ACC(NA_BGM_MINI_BOSS);
     }
     if (this->actor.bgCheckFlags & 2) {
         Audio_PlayActorSound2(&this->actor, NA_SE_EN_RIZA_DOWN);
diff --git a/src/overlays/actors/ovl_En_Go2/z_en_go2.c b/src/overlays/actors/ovl_En_Go2/z_en_go2.c
index dedef1243f..db5ce3b901 100644
--- a/src/overlays/actors/ovl_En_Go2/z_en_go2.c
+++ b/src/overlays/actors/ovl_En_Go2/z_en_go2.c
@@ -1884,7 +1884,7 @@ void EnGo2_GoronFireGenericAction(EnGo2* this, GlobalContext* globalCtx) {
                 player->actor.world.pos.z =
                     (f32)((Math_CosS(this->actor.world.rot.y) * -30.0f) + this->actor.world.pos.z);
                 func_8002DF54(globalCtx, &this->actor, 8);
-                func_800F5C64(0x51);
+                func_800F5C64(NA_BGM_APPEAR);
             }
             break;
         case 2: // Walking away
diff --git a/src/overlays/actors/ovl_En_Horse/z_en_horse.c b/src/overlays/actors/ovl_En_Horse/z_en_horse.c
index 5228f964ef..c06c4f4c24 100644
--- a/src/overlays/actors/ovl_En_Horse/z_en_horse.c
+++ b/src/overlays/actors/ovl_En_Horse/z_en_horse.c
@@ -2502,7 +2502,7 @@ void EnHorse_UpdateHorsebackArchery(EnHorse* this, GlobalContext* globalCtx) {
         this->hbaTimer++;
     }
 
-    sp20 = func_800F5A58(65);
+    sp20 = func_800F5A58(NA_BGM_HORSE_GOAL);
     EnHorse_UpdateHbaRaceInfo(this, globalCtx, &sHbaInfo);
     if (this->hbaFlags & 1 || this->hbaTimer >= 46) {
         if (sp20 != 1 && gSaveContext.minigameState != 3) {
@@ -2530,7 +2530,7 @@ void EnHorse_UpdateHorsebackArchery(EnHorse* this, GlobalContext* globalCtx) {
     if ((globalCtx->interfaceCtx.hbaAmmo == 0) || (this->hbaFlags & 2)) {
         if (this->hbaFlags & 4) {
             this->hbaFlags &= ~4;
-            Audio_QueueSeqCmd(65);
+            Audio_QueueSeqCmd(NA_BGM_HORSE_GOAL);
         }
     }
 
diff --git a/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c b/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
index d9b3b6cc10..e4a874e437 100644
--- a/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
+++ b/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
@@ -115,11 +115,11 @@ void EnHorseGameCheck_FinishIngoRace(EnHorseGameCheckIngoRace* this, GlobalConte
             gSaveContext.eventInf[0] = (gSaveContext.eventInf[0] & ~0xF) | 6;
             gSaveContext.eventInf[0] = (gSaveContext.eventInf[0] & ~0x8000) | 0x8000;
             globalCtx->fadeTransition = 3;
-            func_800775F0(0x42);
+            func_800775F0(NA_BGM_INGO);
         } else {
             gSaveContext.eventInf[0] = (gSaveContext.eventInf[0] & ~0xF) | 4;
             gSaveContext.eventInf[0] = (gSaveContext.eventInf[0] & ~0x8000) | 0x8000;
-            func_800775F0(0x42);
+            func_800775F0(NA_BGM_INGO);
             globalCtx->fadeTransition = 0x2E;
         }
     } else {
@@ -183,7 +183,7 @@ s32 EnHorseGameCheck_UpdateIngoRace(EnHorseGameCheckBase* base, GlobalContext* g
             if (this->playerFinish > 0) {
                 this->result = INGORACE_PLAYER_WIN;
                 this->finishTimer = 55;
-                Audio_QueueSeqCmd(0x41);
+                Audio_QueueSeqCmd(NA_BGM_HORSE_GOAL);
                 Audio_PlaySoundGeneral(NA_SE_SY_START_SHOT, &D_801333D4, 4, &D_801333E0, &D_801333E0, &D_801333E8);
             }
             for (i = 0; i < 3; i++) {
@@ -198,7 +198,7 @@ s32 EnHorseGameCheck_UpdateIngoRace(EnHorseGameCheckBase* base, GlobalContext* g
                 this->result = INGORACE_INGO_WIN;
                 this->finishTimer = 70;
                 ingoHorse->stateFlags |= ENHORSE_INGO_WON;
-                Audio_QueueSeqCmd(0x41);
+                Audio_QueueSeqCmd(NA_BGM_HORSE_GOAL);
                 Audio_PlaySoundGeneral(NA_SE_SY_START_SHOT, &D_801333D4, 4, &D_801333E0, &D_801333E0, &D_801333E8);
             }
             for (i = 0; i < 3; i++) {
@@ -206,12 +206,12 @@ s32 EnHorseGameCheck_UpdateIngoRace(EnHorseGameCheckBase* base, GlobalContext* g
             }
         }
         if (((player2->rideActor != NULL) && AT_RANCH_EXIT(player2->rideActor)) || AT_RANCH_EXIT(&player2->actor)) {
-            Audio_QueueSeqCmd(0x41);
+            Audio_QueueSeqCmd(NA_BGM_HORSE_GOAL);
             this->result = INGORACE_INGO_WIN;
             this->finishTimer = 20;
         }
         if ((gSaveContext.timer1Value >= 180) && (this->startFlags & 2)) {
-            Audio_QueueSeqCmd(0x41);
+            Audio_QueueSeqCmd(NA_BGM_HORSE_GOAL);
             this->result = INGORACE_TIME_UP;
             this->finishTimer = 20;
         }
@@ -376,7 +376,7 @@ s32 EnHorseGameCheck_UpdateMalonRace(EnHorseGameCheckBase* base, GlobalContext*
                 this->finishTimer = 30;
             } else if (this->fenceCheck[15] == 1) {
                 this->lapCount = 2;
-                Audio_QueueSeqCmd(0x41);
+                Audio_QueueSeqCmd(NA_BGM_HORSE_GOAL);
                 Audio_PlaySoundGeneral(NA_SE_SY_START_SHOT, &D_801333D4, 4, &D_801333E0, &D_801333E0, &D_801333E8);
                 this->result = MALONRACE_SUCCESS;
                 this->finishTimer = 70;
diff --git a/src/overlays/actors/ovl_En_Hy/z_en_hy.c b/src/overlays/actors/ovl_En_Hy/z_en_hy.c
index 7a6025051e..0fa67ec91b 100644
--- a/src/overlays/actors/ovl_En_Hy/z_en_hy.c
+++ b/src/overlays/actors/ovl_En_Hy/z_en_hy.c
@@ -428,7 +428,7 @@ s16 func_80A70058(GlobalContext* globalCtx, Actor* thisx) {
                 case 0x70F3:
                     if (this->skelAnime.animation != &gObjOsAnim_33B4) {
                         func_80034EC0(&this->skelAnime, D_80A72050, 23);
-                        func_800F5C64(0x922);
+                        func_800F5C64(NA_BGM_ITEM_GET | 0x900);
                     }
                     break;
             }
diff --git a/src/overlays/actors/ovl_En_Ik/z_en_ik.c b/src/overlays/actors/ovl_En_Ik/z_en_ik.c
index 9bf1d8643c..13836ad706 100644
--- a/src/overlays/actors/ovl_En_Ik/z_en_ik.c
+++ b/src/overlays/actors/ovl_En_Ik/z_en_ik.c
@@ -294,7 +294,7 @@ void func_80A747C0(EnIk* this, GlobalContext* globalCtx) {
         sp24.y += 30.0f;
         func_8003424C(globalCtx, &sp24);
         this->skelAnime.playSpeed = 1.0f;
-        func_800F5ACC(0x38);
+        func_800F5ACC(NA_BGM_MINI_BOSS);
     }
     if (this->skelAnime.curFrame == 5.0f) {
         Audio_PlayActorSound2(&this->actor, NA_SE_EN_IRONNACK_WAKEUP);
@@ -960,7 +960,7 @@ void func_80A76798(Actor* thisx, GlobalContext* globalCtx) {
 }
 
 void EnIk_StartMusic(void) {
-    func_800F5ACC(0x38);
+    func_800F5ACC(NA_BGM_MINI_BOSS);
 }
 
 void func_80A76C14(EnIk* this) {
diff --git a/src/overlays/actors/ovl_En_In/z_en_in.c b/src/overlays/actors/ovl_En_In/z_en_in.c
index 9e8800e8f9..e9f9acbd61 100644
--- a/src/overlays/actors/ovl_En_In/z_en_in.c
+++ b/src/overlays/actors/ovl_En_In/z_en_in.c
@@ -636,7 +636,7 @@ void func_80A7A4C8(EnIn* this, GlobalContext* globalCtx) {
         gSaveContext.eventInf[0] = (gSaveContext.eventInf[0] & ~0x000F) | 0x0001;
         gSaveContext.eventInf[0] = (gSaveContext.eventInf[0] & ~0x8000) | 0x8000;
         gSaveContext.infTable[10] &= ~4;
-        func_800775F0(0x40);
+        func_800775F0(NA_BGM_HORSE);
         globalCtx->msgCtx.unk_E3E7 = 0;
         globalCtx->msgCtx.msgMode = 0x36;
         this->unk_308.unk_00 = 0;
diff --git a/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c b/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c
index d02e1f9521..cdee7e9280 100644
--- a/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c
+++ b/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c
@@ -447,7 +447,7 @@ void EnMa1_Draw(Actor* thisx, GlobalContext* globalCtx) {
 
     camera = GET_ACTIVE_CAM(globalCtx);
     distFromCamera = Math_Vec3f_DistXZ(&this->actor.world.pos, &camera->eye);
-    func_800F6268(distFromCamera, 0x2F);
+    func_800F6268(distFromCamera, NA_BGM_LONLON);
     func_80093D18(globalCtx->state.gfxCtx);
 
     gSPSegment(POLY_OPA_DISP++, 0x09, SEGMENTED_TO_VIRTUAL(sMouthTextures[this->mouthIndex]));
diff --git a/src/overlays/actors/ovl_En_Ma2/z_en_ma2.c b/src/overlays/actors/ovl_En_Ma2/z_en_ma2.c
index a8d55da8f7..3dddc5ba02 100644
--- a/src/overlays/actors/ovl_En_Ma2/z_en_ma2.c
+++ b/src/overlays/actors/ovl_En_Ma2/z_en_ma2.c
@@ -379,7 +379,7 @@ void EnMa2_Draw(Actor* thisx, GlobalContext* globalCtx) {
 
     camera = GET_ACTIVE_CAM(globalCtx);
     someFloat = Math_Vec3f_DistXZ(&this->actor.world.pos, &camera->eye);
-    func_800F6268(someFloat, 0x2F);
+    func_800F6268(someFloat, NA_BGM_LONLON);
     func_80093D18(globalCtx->state.gfxCtx);
 
     gSPSegment(POLY_OPA_DISP++, 0x09, SEGMENTED_TO_VIRTUAL(D_80AA28B4[this->unk_210]));
diff --git a/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c b/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c
index 01de029130..4f48f5b861 100644
--- a/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c
+++ b/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c
@@ -361,7 +361,7 @@ void EnMa3_Draw(Actor* thisx, GlobalContext* globalCtx) {
 
     camera = GET_ACTIVE_CAM(globalCtx);
     someFloat = Math_Vec3f_DistXZ(&this->actor.world.pos, &camera->eye);
-    func_800F6268(someFloat, 0x2F);
+    func_800F6268(someFloat, NA_BGM_LONLON);
     func_80093D18(globalCtx->state.gfxCtx);
 
     gSPSegment(POLY_OPA_DISP++, 0x09, SEGMENTED_TO_VIRTUAL(D_80AA38A4[this->unk_210]));
diff --git a/src/overlays/actors/ovl_En_Okarina_Effect/z_en_okarina_effect.c b/src/overlays/actors/ovl_En_Okarina_Effect/z_en_okarina_effect.c
index 16d074095b..fa57bd4e43 100644
--- a/src/overlays/actors/ovl_En_Okarina_Effect/z_en_okarina_effect.c
+++ b/src/overlays/actors/ovl_En_Okarina_Effect/z_en_okarina_effect.c
@@ -94,7 +94,7 @@ void EnOkarinaEffect_ManageStorm(EnOkarinaEffect* this, GlobalContext* globalCtx
         globalCtx->envCtx.unk_F2[0] = 0;
         if (globalCtx->csCtx.state == CS_STATE_IDLE) {
             func_80077684(globalCtx);
-        } else if (func_800FA0B4(0) == 1) {
+        } else if (func_800FA0B4(0) == NA_BGM_NATURE_BACKGROUND) {
             func_800F6D58(0xF, 1, 0);
             func_800F6D58(0xE, 1, 0);
         }
diff --git a/src/overlays/actors/ovl_En_Owl/z_en_owl.c b/src/overlays/actors/ovl_En_Owl/z_en_owl.c
index 6a03a9796e..2ed474be3d 100644
--- a/src/overlays/actors/ovl_En_Owl/z_en_owl.c
+++ b/src/overlays/actors/ovl_En_Owl/z_en_owl.c
@@ -384,7 +384,7 @@ void EnOwl_WaitOutsideKokiri(EnOwl* this, GlobalContext* globalCtx) {
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x2064, 360.0f, 0)) {
         // Sets BGM
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
 
         this->actionFunc = EnOwl_ConfirmKokiriMessage;
         // spoke to owl by lost woods
@@ -431,7 +431,7 @@ void EnOwl_WaitHyruleCastle(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x2068, 540.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACAAC0;
     }
 }
@@ -472,7 +472,7 @@ void EnOwl_WaitKakariko(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x206C, 480.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACAC6C;
     }
 }
@@ -508,7 +508,7 @@ void EnOwl_WaitGerudo(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x206F, 360.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACADF0;
     }
 }
@@ -544,7 +544,7 @@ void EnOwl_WaitLakeHylia(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x2071, 360.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACAF74;
     }
 }
@@ -575,7 +575,7 @@ void EnOwl_WaitZoraRiver(EnOwl* this, GlobalContext* globalCtx) {
     }
 
     if (EnOwl_CheckInitTalk(this, globalCtx, textId, 360.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACB03C;
     }
 }
@@ -595,7 +595,7 @@ void EnOwl_WaitHyliaShortcut(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
     if (func_80ACA558(this, globalCtx, textId)) {
         gSaveContext.infTable[25] |= 0x20;
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACB148;
     }
 }
@@ -620,13 +620,13 @@ void EnOwl_WaitDeathMountainShortcut(EnOwl* this, GlobalContext* globalCtx) {
 
     if (!gSaveContext.magicAcquired) {
         if (func_80ACA558(this, globalCtx, 0x3062)) {
-            func_800F5C64(0x5A);
+            func_800F5C64(NA_BGM_OWL);
             this->actionFunc = func_80ACB274;
             return;
         }
     } else {
         if (func_80ACA558(this, globalCtx, 0x3063)) {
-            func_800F5C64(0x5A);
+            func_800F5C64(NA_BGM_OWL);
             this->actionFunc = func_80ACB22C;
         }
     }
@@ -650,7 +650,7 @@ void func_80ACB3E0(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x6079, 360.0f, 2)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACB344;
     }
 }
@@ -685,7 +685,7 @@ void EnOwl_WaitLWPreSaria(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x10C0, 190.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACB4FC;
     }
 }
@@ -721,7 +721,7 @@ void EnOwl_WaitLWPostSaria(EnOwl* this, GlobalContext* globalCtx) {
     EnOwl_LookAtLink(this, globalCtx);
 
     if (EnOwl_CheckInitTalk(this, globalCtx, 0x10C4, 360.0f, 0)) {
-        func_800F5C64(0x5A);
+        func_800F5C64(NA_BGM_OWL);
         this->actionFunc = func_80ACB680;
     }
 }
diff --git a/src/overlays/actors/ovl_En_Po_Sisters/z_en_po_sisters.c b/src/overlays/actors/ovl_En_Po_Sisters/z_en_po_sisters.c
index 2f2dd5e325..77e5916299 100644
--- a/src/overlays/actors/ovl_En_Po_Sisters/z_en_po_sisters.c
+++ b/src/overlays/actors/ovl_En_Po_Sisters/z_en_po_sisters.c
@@ -898,7 +898,7 @@ void func_80ADB51C(EnPoSisters* this, GlobalContext* globalCtx) {
     if (this->unk_19A == 0) {
         this->actor.world.rot.y = this->actor.shape.rot.y += 0x4000 * (s32)(Rand_ZeroOne() * 4.0f);
         if (this->unk_195 == 0) {
-            func_800F5ACC(0x38);
+            func_800F5ACC(NA_BGM_MINI_BOSS);
         }
         func_80AD9F1C(this);
     } else {
diff --git a/src/overlays/actors/ovl_En_River_Sound/z_en_river_sound.c b/src/overlays/actors/ovl_En_River_Sound/z_en_river_sound.c
index 91684d5f42..6516a902be 100644
--- a/src/overlays/actors/ovl_En_River_Sound/z_en_river_sound.c
+++ b/src/overlays/actors/ovl_En_River_Sound/z_en_river_sound.c
@@ -242,9 +242,9 @@ void EnRiverSound_Draw(Actor* thisx, GlobalContext* globalCtx) {
     } else if (this->actor.params == RS_SARIAS_SONG) {
         func_800F4E30(&this->actor.projectedPos, this->actor.xzDistToPlayer);
     } else if (this->actor.params == RS_UNK_13) {
-        Audio_PlaySariaBgm(&this->actor.home.pos, 62, 1000);
+        Audio_PlaySariaBgm(&this->actor.home.pos, NA_BGM_SARIA_THEME, 1000);
     } else if (this->actor.params == RS_UNK_19) {
-        Audio_PlaySariaBgm(&this->actor.home.pos, 40, 800);
+        Audio_PlaySariaBgm(&this->actor.home.pos, NA_BGM_GREAT_FAIRY, 800);
     } else if ((this->actor.params == RS_SANDSTORM) || (this->actor.params == RS_CHAMBER_OF_SAGES_1) ||
                (this->actor.params == RS_CHAMBER_OF_SAGES_2) || (this->actor.params == RS_RUMBLING)) {
         func_800788CC(soundEffects[this->actor.params]);
diff --git a/src/overlays/actors/ovl_En_Ru2/z_en_ru2.c b/src/overlays/actors/ovl_En_Ru2/z_en_ru2.c
index e15734ef23..8da6115413 100644
--- a/src/overlays/actors/ovl_En_Ru2/z_en_ru2.c
+++ b/src/overlays/actors/ovl_En_Ru2/z_en_ru2.c
@@ -610,7 +610,7 @@ void func_80AF3744(EnRu2* this, GlobalContext* globalCtx) {
 }
 
 void func_80AF37AC() {
-    func_800F5C64(0x51);
+    func_800F5C64(NA_BGM_APPEAR);
 }
 
 void func_80AF37CC(EnRu2* this) {
diff --git a/src/overlays/actors/ovl_En_Si/z_en_si.c b/src/overlays/actors/ovl_En_Si/z_en_si.c
index ad8a48a771..dcba75c54a 100644
--- a/src/overlays/actors/ovl_En_Si/z_en_si.c
+++ b/src/overlays/actors/ovl_En_Si/z_en_si.c
@@ -97,7 +97,7 @@ void func_80AFB768(EnSi* this, GlobalContext* globalCtx) {
                 Item_Give(globalCtx, ITEM_SKULL_TOKEN);
                 player->actor.freezeTimer = 10;
                 func_8010B680(globalCtx, 0xB4, 0);
-                func_800F5C64(0x39);
+                func_800F5C64(NA_BGM_SMALL_ITEM_GET);
                 this->actionFunc = func_80AFB950;
             } else {
                 Collider_UpdateCylinder(&this->actor, &this->collider);
@@ -119,7 +119,7 @@ void func_80AFB89C(EnSi* this, GlobalContext* globalCtx) {
         Item_Give(globalCtx, ITEM_SKULL_TOKEN);
         player->actor.freezeTimer = 10;
         func_8010B680(globalCtx, 0xB4, 0);
-        func_800F5C64(0x39);
+        func_800F5C64(NA_BGM_SMALL_ITEM_GET);
         this->actionFunc = func_80AFB950;
     }
 }
diff --git a/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c b/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
index 4a3dad8085..a854a95c45 100644
--- a/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
+++ b/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
@@ -57,11 +57,94 @@ const ActorInit En_Syateki_Man_InitVars = {
 };
 
 static u16 sBgmList[] = {
-    0x00, 0x01,  0x02, 0x18, 0x19, 0x02, 0x19, 0x1A, 0x1A,  0x81A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x922,
-    0x23, 0x924, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x92B, 0x2C,  0x2D, 0x2E, 0x2F, 0x30, 0x32, 0x33, 0x34, 0x35,
-    0x36, 0x37,  0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E,  0x3F,  0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
-    0x48, 0x49,  0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,  0x51,  0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
-    0x5A, 0x5B,  0x5C, 0x5D, 0x6D, 0x5E, 0x5E, 0x5F, 0x60,  0x61,  0x6D, 0x62, 0x63, 0x64, 0x65, 0x66,
+    NA_BGM_GENERAL_SFX,
+    NA_BGM_NATURE_BACKGROUND,
+    NA_BGM_FIELD_LOGIC,
+    NA_BGM_DUNGEON,
+    NA_BGM_KAKARIKO_ADULT,
+    NA_BGM_FIELD_LOGIC,
+    NA_BGM_KAKARIKO_ADULT,
+    NA_BGM_ENEMY,
+    NA_BGM_ENEMY,
+    NA_BGM_ENEMY | 0x800,
+    NA_BGM_BOSS,
+    NA_BGM_INSIDE_DEKU_TREE,
+    NA_BGM_MARKET,
+    NA_BGM_TITLE,
+    NA_BGM_LINK_HOUSE,
+    NA_BGM_GAME_OVER,
+    NA_BGM_BOSS_CLEAR,
+    NA_BGM_ITEM_GET | 0x900,
+    NA_BGM_OPENING_GANON,
+    NA_BGM_HEART_GET | 0x900,
+    NA_BGM_OCA_LIGHT,
+    NA_BGM_JABU_JABU,
+    NA_BGM_KAKARIKO_KID,
+    NA_BGM_GREAT_FAIRY,
+    NA_BGM_ZELDA_THEME,
+    NA_BGM_FIRE_TEMPLE,
+    NA_BGM_OPEN_TRE_BOX | 0x900,
+    NA_BGM_FOREST_TEMPLE,
+    NA_BGM_COURTYARD,
+    NA_BGM_GANON_TOWER,
+    NA_BGM_LONLON,
+    NA_BGM_GORON_CITY,
+    NA_BGM_SPIRITUAL_STONE,
+    NA_BGM_OCA_BOLERO,
+    NA_BGM_OCA_MINUET,
+    NA_BGM_OCA_SERENADE,
+    NA_BGM_OCA_REQUIEM,
+    NA_BGM_OCA_NOCTURNE,
+    NA_BGM_MINI_BOSS,
+    NA_BGM_SMALL_ITEM_GET,
+    NA_BGM_TEMPLE_OF_TIME,
+    NA_BGM_EVENT_CLEAR,
+    NA_BGM_KOKIRI,
+    NA_BGM_OCA_FAIRY_GET,
+    NA_BGM_SARIA_THEME,
+    NA_BGM_SPIRIT_TEMPLE,
+    NA_BGM_HORSE,
+    NA_BGM_HORSE_GOAL,
+    NA_BGM_INGO,
+    NA_BGM_MEDALLION_GET,
+    NA_BGM_OCA_SARIA,
+    NA_BGM_OCA_EPONA,
+    NA_BGM_OCA_ZELDA,
+    NA_BGM_OCA_SUNS,
+    NA_BGM_OCA_TIME,
+    NA_BGM_OCA_STORM,
+    NA_BGM_NAVI_OPENING,
+    NA_BGM_DEKU_TREE_CS,
+    NA_BGM_WINDMILL,
+    NA_BGM_HYRULE_CS,
+    NA_BGM_MINI_GAME,
+    NA_BGM_SHEIK,
+    NA_BGM_ZORA_DOMAIN,
+    NA_BGM_APPEAR,
+    NA_BGM_ADULT_LINK,
+    NA_BGM_MASTER_SWORD,
+    NA_BGM_INTRO_GANON,
+    NA_BGM_SHOP,
+    NA_BGM_CHAMBER_OF_SAGES,
+    NA_BGM_FILE_SELECT,
+    NA_BGM_ICE_CAVERN,
+    NA_BGM_DOOR_OF_TIME,
+    NA_BGM_OWL,
+    NA_BGM_SHADOW_TEMPLE,
+    NA_BGM_WATAER_TEMPLE,
+    NA_BGM_BRIDGE_TO_GANONS,
+    NA_BGM_VARIOUS_SFX,
+    NA_BGM_OCARINA_OF_TIME,
+    NA_BGM_OCARINA_OF_TIME,
+    NA_BGM_GERUDO_VALLEY,
+    NA_BGM_POTION_SHOP,
+    NA_BGM_KOTAKE_KOUME,
+    NA_BGM_VARIOUS_SFX,
+    NA_BGM_ESCAPE,
+    NA_BGM_UNDERGROUND,
+    NA_BGM_GANON_BATTLE_1,
+    NA_BGM_GANON_BATTLE_2,
+    NA_BGM_END_DEMO,
 };
 
 static s16 sTextIds[] = { 0x2B, 0x2E, 0xC8, 0x2D };
diff --git a/src/overlays/actors/ovl_En_Ta/z_en_ta.c b/src/overlays/actors/ovl_En_Ta/z_en_ta.c
index 303ed84fcc..eb0d948b1e 100644
--- a/src/overlays/actors/ovl_En_Ta/z_en_ta.c
+++ b/src/overlays/actors/ovl_En_Ta/z_en_ta.c
@@ -724,7 +724,7 @@ void func_80B154FC(EnTa* this, GlobalContext* globalCtx) {
                             gSaveContext.eventInf[0] |= 0x100;
                             Audio_QueueSeqCmd(NA_BGM_STOP);
                             this->unk_2E0 &= ~0x200;
-                            func_800F5C64(0x39);
+                            func_800F5C64(NA_BGM_SMALL_ITEM_GET);
                             return;
                         case 2:
                             this->actor.textId = 0x2083;
@@ -819,7 +819,7 @@ void func_80B15AD4(EnTa* this, GlobalContext* globalCtx) {
                          Animation_GetLastFrame(&object_ta_Anim_00BF38), ANIMMODE_ONCE, 0.0f);
         this->unk_2CC = 50;
         func_80088B34(0x1E);
-        func_800F5ACC(0x6C);
+        func_800F5ACC(NA_BGM_MINI_GAME_2);
         this->unk_2E0 |= 0x200;
         func_80106CCC(globalCtx);
         func_8002DF54(globalCtx, &this->actor, 1);
diff --git a/src/overlays/actors/ovl_En_Test/z_en_test.c b/src/overlays/actors/ovl_En_Test/z_en_test.c
index 0992791c3e..bfe683fb16 100644
--- a/src/overlays/actors/ovl_En_Test/z_en_test.c
+++ b/src/overlays/actors/ovl_En_Test/z_en_test.c
@@ -443,7 +443,7 @@ void EnTest_WaitGround(EnTest* this, GlobalContext* globalCtx) {
         this->actor.shape.rot.y = this->actor.yawTowardsPlayer;
 
         if (this->actor.params != STALFOS_TYPE_2) {
-            func_800F5ACC(0x38);
+            func_800F5ACC(NA_BGM_MINI_BOSS);
         }
     } else {
         if (this->timer != 0) {
diff --git a/src/overlays/actors/ovl_En_Torch2/z_en_torch2.c b/src/overlays/actors/ovl_En_Torch2/z_en_torch2.c
index 6f244c5e68..16b9d39824 100644
--- a/src/overlays/actors/ovl_En_Torch2/z_en_torch2.c
+++ b/src/overlays/actors/ovl_En_Torch2/z_en_torch2.c
@@ -271,7 +271,7 @@ void EnTorch2_Update(Actor* thisx, GlobalContext* globalCtx2) {
                     if (stickY) {}
                     sInput.cur.stick_y = stickY;
                 }
-                func_800F5ACC(0x38);
+                func_800F5ACC(NA_BGM_MINI_BOSS);
                 sActionState = ENTORCH2_ATTACK;
             }
             break;
@@ -610,7 +610,7 @@ void EnTorch2_Update(Actor* thisx, GlobalContext* globalCtx2) {
             Item_DropCollectibleRandom(globalCtx, &this->actor, &thisx->world.pos, 0xC0);
             this->stateFlags3 &= ~4;
         } else {
-            func_800F5ACC(0x38);
+            func_800F5ACC(NA_BGM_MINI_BOSS);
             if (this->actor.colChkInfo.damageEffect == 1) {
                 if (sAlpha == 255) {
                     Actor_SetColorFilter(&this->actor, 0, 0xFF, 0, 0x50);
diff --git a/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c b/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c
index bfc106c456..752bd2a103 100644
--- a/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c
+++ b/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c
@@ -241,7 +241,7 @@ void EnViewer_UpdateImpl(EnViewer* this, GlobalContext* globalCtx) {
             }
         }
         if (globalCtx->csCtx.frames == 1020) {
-            Audio_QueueSeqCmd(0x1000023);
+            Audio_QueueSeqCmd(0x1000000 | NA_BGM_OPENING_GANON);
         }
         if (globalCtx->csCtx.frames == 960) {
             Audio_PlaySoundGeneral(NA_SE_EV_HORSE_GROAN, &this->actor.projectedPos, 4, &D_801333E0, &D_801333E0,
diff --git a/src/overlays/actors/ovl_En_Yabusame_Mark/z_en_yabusame_mark.c b/src/overlays/actors/ovl_En_Yabusame_Mark/z_en_yabusame_mark.c
index 45f044bb3d..76163bf0fb 100644
--- a/src/overlays/actors/ovl_En_Yabusame_Mark/z_en_yabusame_mark.c
+++ b/src/overlays/actors/ovl_En_Yabusame_Mark/z_en_yabusame_mark.c
@@ -174,7 +174,7 @@ void func_80B42F74(EnYabusameMark* this, GlobalContext* globalCtx) {
         osSyncPrintf("\n\n");
 
         if (scoreIndex == 2) {
-            func_800F5C64(0x922);
+            func_800F5C64(NA_BGM_ITEM_GET | 0x900);
         }
         if (scoreIndex == 1) {
             Audio_StopSfx(NA_SE_SY_TRE_BOX_APPEAR);
diff --git a/src/overlays/actors/ovl_En_Zl1/z_en_zl1.c b/src/overlays/actors/ovl_En_Zl1/z_en_zl1.c
index 66208697fb..9b038f66f0 100644
--- a/src/overlays/actors/ovl_En_Zl1/z_en_zl1.c
+++ b/src/overlays/actors/ovl_En_Zl1/z_en_zl1.c
@@ -390,7 +390,7 @@ void func_80B4B010(EnZl1* this, GlobalContext* globalCtx) {
         player->actor.speedXZ = 0.0f;
         this->unk_1E2 = 0;
         this->actionFunc = func_80B4B240;
-        func_800F5C64(0x51);
+        func_800F5C64(NA_BGM_APPEAR);
     } else {
         if (1) {} // necessary to match
         rotDiff = ABS(this->actor.yawTowardsPlayer - this->actor.shape.rot.y);
diff --git a/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c b/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c
index cb494edba3..59d41022c9 100644
--- a/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c
+++ b/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c
@@ -88,7 +88,7 @@ void EnZl3_Destroy(Actor* thisx, GlobalContext* globalCtx) {
 }
 
 void func_80B53468(void) {
-    Audio_QueueSeqCmd(0x62);
+    Audio_QueueSeqCmd(NA_BGM_ESCAPE);
 }
 
 BossGanon2* func_80B53488(EnZl3* this, GlobalContext* globalCtx) {
diff --git a/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c b/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c
index 1ed2892ec0..bc299f18f5 100644
--- a/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c
+++ b/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c
@@ -1135,7 +1135,7 @@ void EnZl4_Cutscene(EnZl4* this, GlobalContext* globalCtx) {
             this->blinkTimer = 0;
             this->eyeExpression = ZL4_EYES_NEUTRAL;
             this->mouthExpression = ZL4_MOUTH_SURPRISED;
-            func_800F5C64(0x51);
+            func_800F5C64(NA_BGM_APPEAR);
             EnZl4_SetCsCameraAngle(globalCtx, 0);
             Interface_ChangeAlpha(2);
             ShrinkWindow_SetVal(0x20);
diff --git a/src/overlays/actors/ovl_En_fHG/z_en_fhg.c b/src/overlays/actors/ovl_En_fHG/z_en_fhg.c
index 47a2df7d63..1c8475548d 100644
--- a/src/overlays/actors/ovl_En_fHG/z_en_fhg.c
+++ b/src/overlays/actors/ovl_En_fHG/z_en_fhg.c
@@ -146,7 +146,7 @@ void EnfHG_Intro(EnfHG* this, GlobalContext* globalCtx) {
                 }
                 if (this->timers[0] == 51) {
                     Audio_PlayActorSound2(this->actor.child, NA_SE_EV_SPEAR_FENCE);
-                    Audio_QueueSeqCmd(0x1B);
+                    Audio_QueueSeqCmd(NA_BGM_BOSS);
                 }
                 if (this->timers[0] == 0) {
                     EnfHG_SetupApproach(this, globalCtx, Rand_ZeroOne() * 5.99f);
@@ -198,7 +198,7 @@ void EnfHG_Intro(EnfHG* this, GlobalContext* globalCtx) {
                 func_8002DF54(globalCtx, &this->actor, 9);
             }
             if (this->timers[0] == 1) {
-                Audio_QueueSeqCmd(0x23);
+                Audio_QueueSeqCmd(NA_BGM_OPENING_GANON);
             }
             Math_ApproachF(&this->cameraEye.x, GND_BOSSROOM_CENTER_X + 40.0f, 0.05f, this->cameraSpeedMod * 20.0f);
             Math_ApproachF(&this->cameraEye.y, GND_BOSSROOM_CENTER_Y + 37.0f, 0.05f, this->cameraSpeedMod * 20.0f);
@@ -299,7 +299,7 @@ void EnfHG_Intro(EnfHG* this, GlobalContext* globalCtx) {
                 func_80078914(&audioVec, NA_SE_EN_FANTOM_ST_LAUGH);
             }
             if (this->timers[0] == 20) {
-                Audio_QueueSeqCmd(0x1B);
+                Audio_QueueSeqCmd(NA_BGM_BOSS);
             }
             if (this->timers[0] == 2) {
                 this->cameraSpeedMod = 0.0f;
diff --git a/src/overlays/actors/ovl_Fishing/z_fishing.c b/src/overlays/actors/ovl_Fishing/z_fishing.c
index ad43689443..fa37afe20b 100644
--- a/src/overlays/actors/ovl_Fishing/z_fishing.c
+++ b/src/overlays/actors/ovl_Fishing/z_fishing.c
@@ -3586,7 +3586,7 @@ void Fishing_UpdateFish(Actor* thisx, GlobalContext* globalCtx2) {
                     this->unk_198 = 1.7f;
                     this->unk_19C = 7000.0f;
                     D_80B7E124 = 1;
-                    Audio_QueueSeqCmd(0x81A);
+                    Audio_QueueSeqCmd(NA_BGM_ENEMY | 0x800);
                     D_80B7E0A6 = 0;
 
                     if (this->unk_150 == 1) {
@@ -3859,7 +3859,7 @@ void Fishing_UpdateFish(Actor* thisx, GlobalContext* globalCtx2) {
             }
 
             if (this->unk_17A[0] == 90) {
-                Audio_QueueSeqCmd(0x924);
+                Audio_QueueSeqCmd(NA_BGM_HEART_GET | 0x900);
                 D_80B7A67C = 40;
 
                 if (this->unk_150 == 0) {
@@ -5429,7 +5429,7 @@ void Fishing_UpdateOwner(Actor* thisx, GlobalContext* globalCtx2) {
 
         case 22:
             if (D_80B7A6D0 == 30) {
-                Audio_QueueSeqCmd(0x922);
+                Audio_QueueSeqCmd(NA_BGM_ITEM_GET | 0x900);
             }
 
             D_80B7A6D4 = 1;
@@ -5740,15 +5740,15 @@ void Fishing_DrawOwner(Actor* thisx, GlobalContext* globalCtx) {
 
         if (D_80B7E0A6 == 0) {
             if (sLinkAge != 1) {
-                Audio_QueueSeqCmd(0x19);
+                Audio_QueueSeqCmd(NA_BGM_KAKARIKO_ADULT);
             } else {
-                Audio_QueueSeqCmd(0x27);
+                Audio_QueueSeqCmd(NA_BGM_KAKARIKO_KID);
             }
 
             if (sLinkAge != 1) {
-                Audio_QueueSeqCmd(0x19);
+                Audio_QueueSeqCmd(NA_BGM_KAKARIKO_ADULT);
             } else {
-                Audio_QueueSeqCmd(0x27);
+                Audio_QueueSeqCmd(NA_BGM_KAKARIKO_KID);
             }
         }
     }
diff --git a/src/overlays/actors/ovl_player_actor/z_player.c b/src/overlays/actors/ovl_player_actor/z_player.c
index 1c21025652..a2982c5cc4 100644
--- a/src/overlays/actors/ovl_player_actor/z_player.c
+++ b/src/overlays/actors/ovl_player_actor/z_player.c
@@ -2823,8 +2823,8 @@ void func_80836448(GlobalContext* globalCtx, Player* this, LinkAnimationHeader*
         } else {
             globalCtx->gameOverCtx.state = GAMEOVER_DEATH_START;
             func_800F6AB0(0);
-            func_800F5C64(0x20);
-            gSaveContext.seqIndex = 0xFF;
+            func_800F5C64(NA_BGM_GAME_OVER);
+            gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
             gSaveContext.nightSeqIndex = 0xFF;
         }
 
@@ -3986,7 +3986,7 @@ s32 func_80839034(GlobalContext* globalCtx, Player* this, CollisionPoly* poly, u
                 if (temp == 11) {
                     func_800788CC(NA_SE_OC_SECRET_HOLE_OUT);
                     func_800F6964(5);
-                    gSaveContext.seqIndex = 0xFF;
+                    gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
                     gSaveContext.nightSeqIndex = 0xFF;
                 } else {
                     linearVel = this->linearVelocity;
@@ -11803,9 +11803,9 @@ s32 func_8084DFF4(GlobalContext* globalCtx, Player* this) {
             if ((this->getItemId == GI_HEART_CONTAINER_2) || (this->getItemId == GI_HEART_CONTAINER) ||
                 ((this->getItemId == GI_HEART_PIECE) &&
                  ((gSaveContext.inventory.questItems & 0xF0000000) == 0x40000000))) {
-                temp1 = 0x924;
+                temp1 = NA_BGM_HEART_GET | 0x900;
             } else {
-                temp1 = temp2 = (this->getItemId == GI_HEART_PIECE) ? 0x39 : 0x922;
+                temp1 = temp2 = (this->getItemId == GI_HEART_PIECE) ? NA_BGM_SMALL_ITEM_GET : NA_BGM_ITEM_GET | 0x900;
             }
             func_800F5C64(temp1);
         }
@@ -11920,7 +11920,7 @@ void func_8084E3C4(Player* this, GlobalContext* globalCtx) {
             Environment_WarpSongLeave(globalCtx);
         }
 
-        gSaveContext.seqIndex = 0xFF;
+        gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
         gSaveContext.nightSeqIndex = 0xFF;
     }
 }
@@ -12129,7 +12129,7 @@ void func_8084ECA4(Player* this, GlobalContext* globalCtx) {
         if (this->unk_84F != 0) {
             if (this->unk_850 == 0) {
                 func_8010B680(globalCtx, D_80854A04[this->unk_84F - 1].textId, &this->actor);
-                func_800F5C64(0x922);
+                func_800F5C64(NA_BGM_ITEM_GET | 0x900);
                 this->unk_850 = 1;
             } else if (func_8010BDBC(&globalCtx->msgCtx) == 2) {
                 this->unk_84F = 0;
@@ -12437,7 +12437,7 @@ void func_8084F88C(Player* this, GlobalContext* globalCtx) {
         } else {
             globalCtx->fadeTransition = 2;
             gSaveContext.nextTransition = 2;
-            gSaveContext.seqIndex = 0xFF;
+            gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
             gSaveContext.nightSeqIndex = 0xFF;
         }
 
diff --git a/src/overlays/gamestates/ovl_select/z_select.c b/src/overlays/gamestates/ovl_select/z_select.c
index 8d1b2531f9..3fcbdfd435 100644
--- a/src/overlays/gamestates/ovl_select/z_select.c
+++ b/src/overlays/gamestates/ovl_select/z_select.c
@@ -35,7 +35,7 @@ void Select_LoadGame(SelectContext* this, s32 entranceIndex) {
     gSaveContext.entranceIndex = entranceIndex;
     gSaveContext.respawnFlag = 0;
     gSaveContext.respawn[RESPAWN_MODE_DOWN].entranceIndex = -1;
-    gSaveContext.seqIndex = 0xFF;
+    gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
     gSaveContext.nightSeqIndex = 0xFF;
     gSaveContext.showTitleCard = true;
     gWeatherMode = 0;
diff --git a/src/overlays/gamestates/ovl_title/z_title.c b/src/overlays/gamestates/ovl_title/z_title.c
index df8f0d7689..7f837a10dd 100644
--- a/src/overlays/gamestates/ovl_title/z_title.c
+++ b/src/overlays/gamestates/ovl_title/z_title.c
@@ -136,7 +136,7 @@ void Title_Main(GameState* thisx) {
     }
 
     if (this->exit) {
-        gSaveContext.seqIndex = 0xFF;
+        gSaveContext.seqIndex = (u8)NA_BGM_DISABLED;
         gSaveContext.nightSeqIndex = 0xFF;
         gSaveContext.gameMode = 1;
         this->state.running = false;