diff --git a/splat.yaml b/splat.yaml
index 1a9e88f..7a8a980 100644
--- a/splat.yaml
+++ b/splat.yaml
@@ -446,7 +446,7 @@ segments:
   - [0x2BF250, bin, "n64_wave_table_00"] # N64 WaveTable
   - [0x423FF0, bin, "n64_ptr_tables_v2_01"]
   - [0x429CD0, bin, "n64_wave_table_01"]
-  - [0x4E3140, bin]
+  - [0x4E3140, bin, "n64_wave_data"]
 
   - [0x4F0FB0, bin]
 
diff --git a/src/overlays/overlay0/3F1B0.c b/src/overlays/overlay0/3F1B0.c
index dd1e36d..73aa9ae 100644
--- a/src/overlays/overlay0/3F1B0.c
+++ b/src/overlays/overlay0/3F1B0.c
@@ -4,38 +4,43 @@
 
 void func_800EA488(void*); 
 
-INCLUDE_ASM(const s32, "overlays/overlay0/3F1B0", func_800E9C20);
+// INCLUDE_ASM(const s32, "overlays/overlay0/3F1B0", func_800E9C20);
 
-// extern void romCopy(const void* src, const void* dst, const s32 len);
-// extern void __something_music(void* arg0, void* arg1);
-// extern void func_80081F7C(void* arg);
-// extern void MusFxBankSetPtrBank(void*, void*);
 
-// extern u32 D_2B8BA0;
-// extern u32 D_2BF250;
-// extern u32 D_2BF250_other;
-// extern u32 D_423FF0;
-// extern u32 D_429CD0;
-// extern u32 D_429CD0_other;
-// extern u32 D_4E3140;
-// extern u32 D_4F0FB0;
-// extern u32 D_80104710;
-// extern u32 D_8010A760;
-// extern u32 D_80164770;
+extern void romCopy(const void* src, const void* dst, const s32 len);
+extern void __something_music(const void* arg0, const void* arg1);
+extern void func_80081F7C(const void* arg);
+extern void MusFxBankSetPtrBank(const void*, const void*);
 
-// void func_800E9C20(void)
-// {
-//     romCopy(&D_2B8BA0, &D_80164770, (u32)&D_2BF250 - (u32)&D_2B8BA0);
-//     romCopy(&D_423FF0, &D_80104710, (u32)&D_429CD0 - (u32)&D_423FF0);
-//     romCopy(&D_4E3140, &D_8010A760, (u32)&D_4F0FB0 - (u32)&D_4E3140);
+extern const u8 n64_ptr_tables_v2_00_ROM_START;
+extern const u8 n64_ptr_tables_v2_00_ROM_END;
+
+extern const u8 n64_ptr_tables_v2_01_ROM_START;
+extern const u8 n64_ptr_tables_v2_01_ROM_END;
+
+extern const u8 n64_wave_data_ROM_START;
+extern const u8 n64_wave_data_ROM_END;
+
+extern const u8 n64_wave_table_00_ROM_START;
+extern const u8 n64_wave_table_01_ROM_START;
+
+extern const u8 D_8010A760;
+extern const u8 D_80164770;
+extern const u8 D_80104710;
+
+void func_800E9C20(void)
+{
+    romCopy(&n64_ptr_tables_v2_00_ROM_START, &D_80164770, &n64_ptr_tables_v2_00_ROM_END - &n64_ptr_tables_v2_00_ROM_START);
+    romCopy(&n64_ptr_tables_v2_01_ROM_START, &D_80104710, &n64_ptr_tables_v2_01_ROM_END - &n64_ptr_tables_v2_01_ROM_START);
+    romCopy(&n64_wave_data_ROM_START, &D_8010A760, &n64_wave_data_ROM_END - &n64_wave_data_ROM_START);
     
-//     __something_music(&D_80164770, &D_2BF250_other);
-//     __something_music(&D_80104710, &D_429CD0_other);
+    __something_music(&D_80164770, &n64_wave_table_00_ROM_START);
+    __something_music(&D_80104710, &n64_wave_table_01_ROM_START);
     
-//     func_80081F7C(&D_8010A760);
+    func_80081F7C(&D_8010A760);
     
-//     MusFxBankSetPtrBank(&D_8010A760, &D_80104710);
-// }
+    MusFxBankSetPtrBank(&D_8010A760, &D_80104710);
+}
 
 
 INCLUDE_ASM(const s32, "overlays/overlay0/3F1B0", func_800E9CEC);
@@ -121,9 +126,7 @@ INCLUDE_ASM(const s32, "overlays/overlay0/3F1B0", func_800EA488);
 // INCLUDE_ASM(const s32, "overlays/overlay0/3F1B0", func_800EA568);
 
 extern s32 func_80081770(s32);
-extern void func_80081DF0(u8*);
-
-extern u8 D_80104710;
+extern void func_80081DF0(const void*);
 
 void func_800EA568(Arg* arg0) {
     
diff --git a/undefined_funcs.txt b/undefined_funcs.txt
index 0549b34..32d0f2b 100644
--- a/undefined_funcs.txt
+++ b/undefined_funcs.txt
@@ -104,4 +104,6 @@ func_80243510 = 0x80243510;
 func_80243600 = 0x80243600;
 func_8024366C = 0x8024366C;
 func_802439E0 = 0x802439E0;
-func_80243B94 = 0x80243B94;
\ No newline at end of file
+func_80243B94 = 0x80243B94;
+
+func_80081F7C = 0x80081F7C;
\ No newline at end of file