diff --git a/asm/nonmatchings/code_2d9a0_len_890/func_800525A0.s b/asm/nonmatchings/code_2d9a0_len_890/func_800525A0.s
deleted file mode 100644
index b532f9b647..0000000000
--- a/asm/nonmatchings/code_2d9a0_len_890/func_800525A0.s
+++ /dev/null
@@ -1,35 +0,0 @@
-.set noat      # allow manual use of $at
-.set noreorder # don't insert nops after branches
-
-glabel func_800525A0
-/* 2D9A0 800525A0 27BDFFD8 */  addiu     $sp, $sp, -0x28
-/* 2D9A4 800525A4 AFB3001C */  sw        $s3, 0x1c($sp)
-/* 2D9A8 800525A8 0080982D */  daddu     $s3, $a0, $zero
-/* 2D9AC 800525AC AFB10014 */  sw        $s1, 0x14($sp)
-/* 2D9B0 800525B0 0000882D */  daddu     $s1, $zero, $zero
-/* 2D9B4 800525B4 AFB20018 */  sw        $s2, 0x18($sp)
-/* 2D9B8 800525B8 24121320 */  addiu     $s2, $zero, 0x1320
-/* 2D9BC 800525BC AFBF0020 */  sw        $ra, 0x20($sp)
-/* 2D9C0 800525C0 AFB00010 */  sw        $s0, 0x10($sp)
-.L800525C4:
-/* 2D9C4 800525C4 02728021 */  addu      $s0, $s3, $s2
-/* 2D9C8 800525C8 92020042 */  lbu       $v0, 0x42($s0)
-/* 2D9CC 800525CC 50400007 */  beql      $v0, $zero, .L800525EC
-/* 2D9D0 800525D0 26310001 */   addiu    $s1, $s1, 1
-/* 2D9D4 800525D4 0C015BBA */  jal       func_80056EE8
-/* 2D9D8 800525D8 322400FF */   andi     $a0, $s1, 0xff
-/* 2D9DC 800525DC A2000042 */  sb        $zero, 0x42($s0)
-/* 2D9E0 800525E0 AE00001C */  sw        $zero, 0x1c($s0)
-/* 2D9E4 800525E4 A2000045 */  sb        $zero, 0x45($s0)
-/* 2D9E8 800525E8 26310001 */  addiu     $s1, $s1, 1
-.L800525EC:
-/* 2D9EC 800525EC 2A220018 */  slti      $v0, $s1, 0x18
-/* 2D9F0 800525F0 1440FFF4 */  bnez      $v0, .L800525C4
-/* 2D9F4 800525F4 26520048 */   addiu    $s2, $s2, 0x48
-/* 2D9F8 800525F8 8FBF0020 */  lw        $ra, 0x20($sp)
-/* 2D9FC 800525FC 8FB3001C */  lw        $s3, 0x1c($sp)
-/* 2DA00 80052600 8FB20018 */  lw        $s2, 0x18($sp)
-/* 2DA04 80052604 8FB10014 */  lw        $s1, 0x14($sp)
-/* 2DA08 80052608 8FB00010 */  lw        $s0, 0x10($sp)
-/* 2DA0C 8005260C 03E00008 */  jr        $ra
-/* 2DA10 80052610 27BD0028 */   addiu    $sp, $sp, 0x28
diff --git a/asm/nonmatchings/code_2d9a0_len_890/func_80052614.s b/asm/nonmatchings/code_2d9a0_len_890/func_80052614.s
deleted file mode 100644
index a29039f348..0000000000
--- a/asm/nonmatchings/code_2d9a0_len_890/func_80052614.s
+++ /dev/null
@@ -1,24 +0,0 @@
-.set noat      # allow manual use of $at
-.set noreorder # don't insert nops after branches
-
-glabel func_80052614
-/* 2DA14 80052614 0000282D */  daddu     $a1, $zero, $zero
-/* 2DA18 80052618 24060080 */  addiu     $a2, $zero, 0x80
-/* 2DA1C 8005261C 24031320 */  addiu     $v1, $zero, 0x1320
-.L80052620:
-/* 2DA20 80052620 00831021 */  addu      $v0, $a0, $v1
-/* 2DA24 80052624 24A50001 */  addiu     $a1, $a1, 1
-/* 2DA28 80052628 AC40001C */  sw        $zero, 0x1c($v0)
-/* 2DA2C 8005262C AC400020 */  sw        $zero, 0x20($v0)
-/* 2DA30 80052630 AC400024 */  sw        $zero, 0x24($v0)
-/* 2DA34 80052634 AC400028 */  sw        $zero, 0x28($v0)
-/* 2DA38 80052638 A040003B */  sb        $zero, 0x3b($v0)
-/* 2DA3C 8005263C A040003C */  sb        $zero, 0x3c($v0)
-/* 2DA40 80052640 A040003D */  sb        $zero, 0x3d($v0)
-/* 2DA44 80052644 A040003E */  sb        $zero, 0x3e($v0)
-/* 2DA48 80052648 A046003F */  sb        $a2, 0x3f($v0)
-/* 2DA4C 8005264C 28A20018 */  slti      $v0, $a1, 0x18
-/* 2DA50 80052650 1440FFF3 */  bnez      $v0, .L80052620
-/* 2DA54 80052654 24630048 */   addiu    $v1, $v1, 0x48
-/* 2DA58 80052658 03E00008 */  jr        $ra
-/* 2DA5C 8005265C 00000000 */   nop      
diff --git a/src/audio.h b/src/audio.h
index d82450c21b..6499839616 100644
--- a/src/audio.h
+++ b/src/audio.h
@@ -162,7 +162,7 @@ typedef struct UnkAl48 {
     /* 0x14 */ s32 unk_14;
     /* 0x18 */ s32 unk_18;
     /* 0x1C */ s32* unk_1C;
-    /* 0x20 */ char unk_20[0x4];
+    /* 0x20 */ s32 unk_20;
     /* 0x24 */ s32 unk_24;
     /* 0x28 */ s32 unk_28;
     /* 0x2C */ f32 unk_2C;
@@ -172,7 +172,7 @@ typedef struct UnkAl48 {
     /* 0x39 */ u8 unk_39;
     /* 0x3A */ u8 unk_3A;
     /* 0x3B */ u8 unk_3B;
-    /* 0x3C */ char unk_3C[0x1];
+    /* 0x3C */ u8 unk_3C;
     /* 0x3D */ u8 unk_3D;
     /* 0x3E */ u8 unk_3E;
     /* 0x3F */ u8 unk_3F;
@@ -387,7 +387,7 @@ s16 func_8004C444(UnkAl6CC*);
 
 void func_8004D510(UnkAlA9C*);
 UnkAlA9C* func_8004D794(s32);
-s32 func_8004DA0C(UNK_TYPE arg0);
+s32 func_8004DA0C(UNK_TYPE);
 void func_8004DAA8(UnkAlA9C*);
 void func_8004DFD4(UnkAl19E0*);
 void func_8004E158(UnkAlA9C*, s32, s32, UnkAl19E0*);
@@ -397,7 +397,8 @@ s16 func_8004E4B8(UnkAlA9C*);
 s32 func_80050C30(u32);
 void func_800511BC(UnkAl834*);
 
-void func_80052BF8(UnkAl48* arg0, s32* arg1);
+void func_800525A0(UnkAl19E0*);
+void func_80052BF8(UnkAl48*, s32*);
 
 void func_800532F4(UnkAl30*);
 void func_80053370(UnkAl12*);
diff --git a/src/code_2d9a0_len_890.c b/src/code_2d9a0_len_890.c
index 406c13b003..4250ec1ba7 100644
--- a/src/code_2d9a0_len_890.c
+++ b/src/code_2d9a0_len_890.c
@@ -1,9 +1,38 @@
 #include "common.h"
 #include "audio.h"
 
-INCLUDE_ASM(s32, "code_2d9a0_len_890", func_800525A0);
+void func_800525A0(UnkAl19E0* arg0) {
+    s32 i;
 
-INCLUDE_ASM(s32, "code_2d9a0_len_890", func_80052614);
+    for (i = 0; i < ARRAY_COUNT(arg0->unk_1320); i++) {
+        UnkAl48* temp = &arg0->unk_1320[i];
+
+        if (temp->unk_42 != 0) {
+            func_80056EE8(i);
+            temp->unk_42 = 0;
+            temp->unk_1C = NULL;
+            temp->unk_45 = 0;
+        }
+    }
+}
+
+void func_80052614(UnkAl19E0* arg0) {
+    s32 i;
+
+    for (i = 0; i < ARRAY_COUNT(arg0->unk_1320); i++) {
+        UnkAl48* temp = &arg0->unk_1320[i];
+
+        temp->unk_1C = 0;
+        temp->unk_20 = 0;
+        temp->unk_24 = 0;
+        temp->unk_28 = 0;
+        temp->unk_3B = 0;
+        temp->unk_3C = 0;
+        temp->unk_3D = 0;
+        temp->unk_3E = 0;
+        temp->unk_3F = 0x80;
+    }
+}
 
 INCLUDE_ASM(s32, "code_2d9a0_len_890", func_80052660);