diff --git a/ld/libfiles.ntsc-beta.inc b/ld/libfiles.ntsc-beta.inc
index 68a826ec9..52e833915 100644
--- a/ld/libfiles.ntsc-beta.inc
+++ b/ld/libfiles.ntsc-beta.inc
@@ -74,7 +74,7 @@
 	build/ROMID/lib/naudio/n_sndplayer.o (section); \
 	build/ROMID/lib/speaker.o (section); \
 	build/ROMID/lib/naudio/n_csplayer.o (section); \
-	build/ROMID/lib/lib_37650.o (section); \
+	build/ROMID/lib/naudio/n_cspsetbank.o (section); \
 	build/ROMID/lib/ultra/audio/bnkf.o (section); \
 	build/ROMID/lib/mp3.o (section); \
 	build/ROMID/lib/naudio/n_cspgetstate.o (section); \
diff --git a/ld/libfiles.ntsc-final.inc b/ld/libfiles.ntsc-final.inc
index 69c8265bb..ab45cc6a6 100644
--- a/ld/libfiles.ntsc-final.inc
+++ b/ld/libfiles.ntsc-final.inc
@@ -71,7 +71,7 @@
 	build/ROMID/lib/naudio/n_sndplayer.o (section); \
 	build/ROMID/lib/speaker.o (section); \
 	build/ROMID/lib/naudio/n_csplayer.o (section); \
-	build/ROMID/lib/lib_37650.o (section); \
+	build/ROMID/lib/naudio/n_cspsetbank.o (section); \
 	build/ROMID/lib/ultra/audio/bnkf.o (section); \
 	build/ROMID/lib/mp3.o (section); \
 	build/ROMID/lib/naudio/n_cspgetstate.o (section); \
diff --git a/ld/libfiles.pal-final.inc b/ld/libfiles.pal-final.inc
index 9fa4f482a..172989469 100644
--- a/ld/libfiles.pal-final.inc
+++ b/ld/libfiles.pal-final.inc
@@ -71,7 +71,7 @@
 	build/ROMID/lib/naudio/n_sndplayer.o (section); \
 	build/ROMID/lib/speaker.o (section); \
 	build/ROMID/lib/naudio/n_csplayer.o (section); \
-	build/ROMID/lib/lib_37650.o (section); \
+	build/ROMID/lib/naudio/n_cspsetbank.o (section); \
 	build/ROMID/lib/ultra/audio/bnkf.o (section); \
 	build/ROMID/lib/mp3.o (section); \
 	build/ROMID/lib/naudio/n_cspgetstate.o (section); \
diff --git a/src/include/lib/lib_37650.h b/src/include/lib/lib_37650.h
deleted file mode 100644
index 397b1e99b..000000000
--- a/src/include/lib/lib_37650.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef _IN_LIB_LIB_37650_H
-#define _IN_LIB_LIB_37650_H
-#include <ultra64.h>
-#include "data.h"
-#include "types.h"
-
-void func00037650(N_ALCSPlayer *seqp, ALBank *bank);
-
-#endif
diff --git a/src/lib/lib_37650.c b/src/lib/lib_37650.c
deleted file mode 100644
index 2a11c62af..000000000
--- a/src/lib/lib_37650.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <ultra64.h>
-#include "constants.h"
-#include "bss.h"
-#include "lib/lib_37650.h"
-#include "data.h"
-#include "types.h"
-
-GLOBAL_ASM(
-glabel func00037650
-/*    37650:	27bdffd8 */ 	addiu	$sp,$sp,-40
-/*    37654:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*    37658:	afa40028 */ 	sw	$a0,0x28($sp)
-/*    3765c:	afa5002c */ 	sw	$a1,0x2c($sp)
-/*    37660:	240e000e */ 	addiu	$t6,$zero,0xe
-/*    37664:	a7ae0018 */ 	sh	$t6,0x18($sp)
-/*    37668:	8faf002c */ 	lw	$t7,0x2c($sp)
-/*    3766c:	afaf001c */ 	sw	$t7,0x1c($sp)
-/*    37670:	8fa40028 */ 	lw	$a0,0x28($sp)
-/*    37674:	27a50018 */ 	addiu	$a1,$sp,0x18
-/*    37678:	00003025 */ 	or	$a2,$zero,$zero
-/*    3767c:	00003825 */ 	or	$a3,$zero,$zero
-/*    37680:	0c00f184 */ 	jal	n_alEvtqPostEvent
-/*    37684:	24840048 */ 	addiu	$a0,$a0,0x48
-/*    37688:	10000001 */ 	b	.L00037690
-/*    3768c:	00000000 */ 	nop
-.L00037690:
-/*    37690:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*    37694:	27bd0028 */ 	addiu	$sp,$sp,0x28
-/*    37698:	03e00008 */ 	jr	$ra
-/*    3769c:	00000000 */ 	nop
-);
diff --git a/src/lib/naudio/n_cspsetbank.c b/src/lib/naudio/n_cspsetbank.c
new file mode 100644
index 000000000..00f8d6b0f
--- /dev/null
+++ b/src/lib/naudio/n_cspsetbank.c
@@ -0,0 +1,12 @@
+#include <libaudio.h>
+#include "n_libaudio.h"
+
+void n_alCSPSetBank(N_ALCSPlayer *seqp, ALBank *b)
+{
+	N_ALEvent evt;
+
+	evt.type = AL_SEQP_BANK_EVT;
+	evt.msg.spbank.bank = b;
+
+	n_alEvtqPostEvent(&seqp->evtq, &evt, 0, 0);
+}
diff --git a/src/lib/snd.c b/src/lib/snd.c
index ec706b368..0c65bdb1f 100644
--- a/src/lib/snd.c
+++ b/src/lib/snd.c
@@ -13,7 +13,6 @@
 #include "lib/rng.h"
 #include "lib/lib_2fc60.h"
 #include "lib/lib_317f0.h"
-#include "lib/lib_37650.h"
 #include "lib/mp3.h"
 #include "lib/lib_39c80.h"
 #include "data.h"
@@ -2203,7 +2202,7 @@ void seqInit(struct seqinstance *seq)
 
 	n_alCSPNew(seq->seqp, &config);
 
-	func00037650(seq->seqp, var80095204);
+	n_alCSPSetBank(seq->seqp, var80095204);
 }
 
 void snd0000f76c(void);