diff --git a/config/SOUE01/splits.txt b/config/SOUE01/splits.txt
index 72569738..7f75b919 100644
--- a/config/SOUE01/splits.txt
+++ b/config/SOUE01/splits.txt
@@ -124,6 +124,7 @@ toBeSorted/d_effects_2.cpp:
 
 toBeSorted/sound_info.cpp:
 	.text       start:0x8002C130 end:0x8002C3A0 align:16
+	.data       start:0x80501528 end:0x80501538
 
 d/a/d_a_base.cpp:
 	.text       start:0x8002C3A0 end:0x8002DE40 align:16
diff --git a/config/SOUE01/symbols.txt b/config/SOUE01/symbols.txt
index 05d3eee5..b6a87cd7 100644
--- a/config/SOUE01/symbols.txt
+++ b/config/SOUE01/symbols.txt
@@ -1021,11 +1021,11 @@ fn_8002BFB0 = .text:0x8002BFB0; // type:function size:0x54
 fn_8002C010 = .text:0x8002C010; // type:function size:0x58
 fn_8002C070 = .text:0x8002C070; // type:function size:0x58
 fn_8002C0D0 = .text:0x8002C0D0; // type:function size:0x58
-fn_8002C130 = .text:0x8002C130; // type:function size:0x24
-__dt__16dSoundSourceIf_cFv = .text:0x8002C160; // type:function size:0x40
-fn_8002C1A0 = .text:0x8002C1A0; // type:function size:0xB0
-fn_8002C250 = .text:0x8002C250; // type:function size:0xB8
-fn_8002C310 = .text:0x8002C310; // type:function size:0x90
+__ct__9SoundInfoFP9dAcBase_c = .text:0x8002C130; // type:function size:0x24
+__dt__16dSoundSourceIf_cFv = .text:0x8002C160; // type:function size:0x40 scope:weak
+__dt__9SoundInfoFv = .text:0x8002C1A0; // type:function size:0xB0
+initSource__9SoundInfoFUcPCcPC7mVec3_c = .text:0x8002C250; // type:function size:0xB8
+startBgHitSound__9SoundInfoFUlRC13cBgS_PolyInfoPC7mVec3_c = .text:0x8002C310; // type:function size:0x90
 createHeap__9dAcBase_cFv = .text:0x8002C3A0; // type:function size:0x8
 __ct__9dAcBase_cFv = .text:0x8002C3B0; // type:function size:0x178
 __dt__7dBase_cFv = .text:0x8002C530; // type:function size:0x58
@@ -1069,21 +1069,21 @@ getDistToPlayer__9dAcBase_cFv = .text:0x8002D470; // type:function size:0x30
 getSquareDistToPlayer__9dAcBase_cFv = .text:0x8002D4A0; // type:function size:0x10
 updateRoomId__9dAcBase_cFf = .text:0x8002D4B0; // type:function size:0x90
 isRoomFlags_0x6_Set__9dAcBase_cFv = .text:0x8002D540; // type:function size:0x44
-FUN_8002d590__9dAcBase_cFv = .text:0x8002D590; // type:function size:0x20
+setSoundSourceSubtype__9dAcBase_cFUc = .text:0x8002D590; // type:function size:0x20
 FUN_8002d5b0__9dAcBase_cFv = .text:0x8002D5B0; // type:function size:0x20
-playSound__9dAcBase_cFUs = .text:0x8002D5D0; // type:function size:0x28
-FUN_8002d600__9dAcBase_cFv = .text:0x8002D600; // type:function size:0x28
-FUN_8002d630__9dAcBase_cFv = .text:0x8002D630; // type:function size:0x9C
-FUN_8002d6d0__9dAcBase_cFv = .text:0x8002D6D0; // type:function size:0x40
-playSoundEffect1__9dAcBase_cFUs = .text:0x8002D710; // type:function size:0x28
-FUN_8002d740__9dAcBase_cFv = .text:0x8002D740; // type:function size:0x28
-FUN_8002d770__9dAcBase_cFUsf = .text:0x8002D770; // type:function size:0x28
-FUN_8002d7a0__9dAcBase_cFv = .text:0x8002D7A0; // type:function size:0x28
-FUN_8002d7d0__9dAcBase_cFv = .text:0x8002D7D0; // type:function size:0x20
-FUN_8002d7f0__9dAcBase_cFv = .text:0x8002D7F0; // type:function size:0x20
-FUN_8002d810__9dAcBase_cFv = .text:0x8002D810; // type:function size:0x20
-FUN_8002d830__9dAcBase_cFv = .text:0x8002D830; // type:function size:0x28
-FUN_8002d860__9dAcBase_cFi = .text:0x8002D860; // type:function size:0x20
+startSound__9dAcBase_cFUl = .text:0x8002D5D0; // type:function size:0x28
+startSoundWithFloatParam__9dAcBase_cFUlf = .text:0x8002D600; // type:function size:0x28
+startBgHitSound__9dAcBase_cFUlRC13cBgS_PolyInfoPC7mVec3_c = .text:0x8002D630; // type:function size:0x9C
+startSoundAtPosition__9dAcBase_cFUlPC7mVec3_c = .text:0x8002D6D0; // type:function size:0x40
+holdSound__9dAcBase_cFUl = .text:0x8002D710; // type:function size:0x28
+holdSoundWithIntParam__9dAcBase_cFUll = .text:0x8002D740; // type:function size:0x28
+holdSoundWithFloatParam__9dAcBase_cFUlf = .text:0x8002D770; // type:function size:0x28
+holdSoundWithParams__9dAcBase_cFUlfl = .text:0x8002D7A0; // type:function size:0x28
+onSoundSourceFlag2__9dAcBase_cFUl = .text:0x8002D7D0; // type:function size:0x20
+onSoundSourceFlag1__9dAcBase_cFUl = .text:0x8002D7F0; // type:function size:0x20
+offSoundSourceFlag1__9dAcBase_cFUl = .text:0x8002D810; // type:function size:0x20
+isPlayingSound__9dAcBase_cFUl = .text:0x8002D830; // type:function size:0x28
+setBattleBgmRelated__9dAcBase_cFi = .text:0x8002D860; // type:function size:0x20
 getSoundSource__9dAcBase_cFv = .text:0x8002D880; // type:function size:0x8
 removeSoundInfo__9dAcBase_cFP9SoundInfo = .text:0x8002D890; // type:function size:0x88
 setActorRef__9dAcBase_cFP9dAcBase_c = .text:0x8002D920; // type:function size:0x8
@@ -29993,7 +29993,7 @@ lbl_8050140C = .data:0x8050140C; // type:object size:0xB4
 lbl_805014C0 = .data:0x805014C0; // type:object size:0x28
 lbl_805014E8 = .data:0x805014E8; // type:object size:0x18
 lbl_80501500 = .data:0x80501500; // type:object size:0x28
-lbl_80501528 = .data:0x80501528; // type:object size:0x10
+__vt__9SoundInfo = .data:0x80501528; // type:object size:0xC
 @19465 = .data:0x80501538; // type:object size:0xC data:string
 __vt__9dAcBase_c = .data:0x80501544; // type:object size:0x74
 ActorObjectBase__vtable = .data:0x805015B8; // type:object size:0x80
diff --git a/configure.py b/configure.py
index 5a571079..52a0ad45 100644
--- a/configure.py
+++ b/configure.py
@@ -410,7 +410,7 @@ config.libs = [
             Object(Matching, "d/d_light_env.cpp"),
             Object(NonMatching, "toBeSorted/d_emitter.cpp"),
             Object(NonMatching, "toBeSorted/d_effects_2.cpp"),
-            Object(NonMatching, "toBeSorted/sound_info.cpp"),
+            Object(Matching, "toBeSorted/sound_info.cpp"),
             Object(NonMatching, "d/a/d_a_base.cpp"),
             Object(NonMatching, "d/a/obj/d_a_obj_base.cpp"),
             Object(NonMatching, "d/a/e/d_a_e_base.cpp"),
diff --git a/include/d/a/d_a_base.h b/include/d/a/d_a_base.h
index ceadd9b5..dfdc902e 100644
--- a/include/d/a/d_a_base.h
+++ b/include/d/a/d_a_base.h
@@ -9,18 +9,10 @@
 #include "m/m_vec.h"
 #include "toBeSorted/actor_info.h"
 #include "toBeSorted/raii_ptr.h"
-#include "toBeSorted/tlist.h"
+#include "toBeSorted/sound_info.h"
 
-class dAcBase_c;
 struct cBgS_PolyInfo;
 
-struct SoundInfo {
-    dAcBase_c *actor;
-    dSoundSourceIf_c *sound_source;
-    mVec3_c *obj_pos;
-    TListNode<SoundInfo> mLink;
-};
-
 /**
  * A list node that will automatically unlink upon destruction.
  */
@@ -67,10 +59,12 @@ public:
 // non-official name
 class dAcBase_c : public dBase_c {
 public:
+    typedef TList<SoundInfo, 12> SoundInfoList;
+
     /* 0x68 */ mHeapAllocator_c heap_allocator;
     /* 0x84 */ const ActorInfo *mpActorInfo;
-    /* 0x88 */ TList<SoundInfo, 12> sound_list;
-    /* 0x94 */ RaiiPtr<dSoundSourceIf_c> sound_source;
+    /* 0x88 */ SoundInfoList sound_list;
+    /* 0x94 */ RaiiPtr<dSoundSourceIf_c> mpSoundSource;
     /* 0x98 */ mVec3_c *obj_pos;
     /* 0x9C */ mVec3_c pos_copy;
     /* 0xA8 */ u32 params2;
@@ -213,21 +207,21 @@ public:
     /* 8002d540 */ bool isRoomFlags_0x6_Set();
 
     // Start of SoundSource stuff
-    /* 8002d590 */ void FUN_8002d590();
+    /* 8002d590 */ void setSoundSourceSubtype(u8 subType);
     /* 8002d5b0 */ void FUN_8002d5b0();
-    /* 8002d5d0 */ void playSound(u16 effect);
-    /* 8002d600 */ void FUN_8002d600();
-    /* 8002d630 */ void FUN_8002d630();
-    /* 8002d6d0 */ void FUN_8002d6d0();
-    /* 8002d710 */ void playSoundEffect1(u16 effect);
-    /* 8002d740 */ void FUN_8002d740();
-    /* 8002d770 */ void FUN_8002d770(u16, f32);
-    /* 8002d7a0 */ void FUN_8002d7a0();
-    /* 8002d7d0 */ void FUN_8002d7d0();
-    /* 8002d7f0 */ void FUN_8002d7f0();
-    /* 8002d810 */ void FUN_8002d810();
-    /* 8002d830 */ void FUN_8002d830();
-    /* 8002d860 */ void FUN_8002d860(UNKWORD val);
+    /* 8002d5d0 */ bool startSound(u32 soundId);
+    /* 8002d600 */ bool startSoundWithFloatParam(u32 soundId, f32 param);
+    /* 8002d630 */ bool startBgHitSound(u32 soundId, const cBgS_PolyInfo &info, const mVec3_c *position);
+    /* 8002d6d0 */ bool startSoundAtPosition(u32 soundId, const mVec3_c *position);
+    /* 8002d710 */ bool holdSound(u32 soundId);
+    /* 8002d740 */ bool holdSoundWithIntParam(u32 soundId, s32 param);
+    /* 8002d770 */ bool holdSoundWithFloatParam(u32 soundId, f32 param);
+    /* 8002d7a0 */ bool holdSoundWithParams(u32 soundId, f32 fValue, s32 value);
+    /* 8002d7d0 */ void onSoundSourceFlag2(u32 mask);
+    /* 8002d7f0 */ void onSoundSourceFlag1(u32 mask);
+    /* 8002d810 */ void offSoundSourceFlag1(u32 mask);
+    /* 8002d830 */ bool isPlayingSound(u32 soundId);
+    /* 8002d860 */ void setBattleBgmRelated(UNKWORD val);
     /* 8002d880 */ dSoundSourceIf_c *getSoundSource();
     // End of SoundSource stuff
 
diff --git a/include/toBeSorted/sound_info.h b/include/toBeSorted/sound_info.h
new file mode 100644
index 00000000..183c5555
--- /dev/null
+++ b/include/toBeSorted/sound_info.h
@@ -0,0 +1,36 @@
+#ifndef SOUND_INFO_H
+#define SOUND_INFO_H
+
+#include "m/m_vec.h"
+#include "d/snd/d_snd_source_if.h"
+#include "toBeSorted/raii_ptr.h"
+#include "toBeSorted/tlist.h"
+
+class dAcBase_c;
+class cBgS_PolyInfo;
+
+class SoundInfo {
+private:
+    /* 0x00 */ dAcBase_c *mpActor;
+    /* 0x04 */ RaiiPtr<dSoundSourceIf_c> mpSource;
+    /* 0x08 */ const mVec3_c *mpPosPtr;
+    /* 0x0C */ TListNode<SoundInfo> mLink;
+    
+public:
+    SoundInfo(dAcBase_c *ac);
+    /* vtable at 0x14 */
+    virtual ~SoundInfo();
+
+    dSoundSourceIf_c *getSource() {
+        return mpSource.get();
+    }
+
+    void calc() {
+        mpSource->calc(*mpPosPtr);
+    }
+
+    bool initSource(u8 sourceType, const char *name, const mVec3_c *posPtr);
+    bool startBgHitSound(u32 soundId, const cBgS_PolyInfo &info, const mVec3_c *position);
+};
+
+#endif
diff --git a/src/REL/d/a/d_a_bombf.cpp b/src/REL/d/a/d_a_bombf.cpp
index 50799f8f..d01e6ed0 100644
--- a/src/REL/d/a/d_a_bombf.cpp
+++ b/src/REL/d/a/d_a_bombf.cpp
@@ -190,9 +190,9 @@ void dAcBombf_c::executeState_Wait() {
 
         if (mTimeAreaStruct.check(roomid, checkPos, 0, 30.0f, 0.1f) && field_0x3D4 != 1) {
             if (mTimeAreaStruct.field_0x04 == 1) {
-                playSound(SE_TIMESLIP_TIMESLIP);
+                startSound(SE_TIMESLIP_TIMESLIP);
             } else {
-                playSound(SE_TIMESLIP_TIMESLIP_REV);
+                startSound(SE_TIMESLIP_TIMESLIP_REV);
             }
             dJEffManager_c::spawnEffect(lbl_8057A750, position, nullptr, nullptr, nullptr, nullptr, 0, 0);
         }
diff --git a/src/REL/d/a/e/d_a_e_sm.cpp b/src/REL/d/a/e/d_a_e_sm.cpp
index b095eafc..6ce1179b 100644
--- a/src/REL/d/a/e/d_a_e_sm.cpp
+++ b/src/REL/d/a/e/d_a_e_sm.cpp
@@ -310,7 +310,7 @@ int dAcEsm_c::actorPostCreate() {
     if (field_0xBBF == 1 || field_0xBBF == 3) {
         clearActorProperty(1);
         fn_800306d0();
-        FUN_8002d860(0);
+        setBattleBgmRelated(0);
     }
 
     return SUCCEEDED;
@@ -391,10 +391,10 @@ int dAcEsm_c::actorExecute() {
                 dJEffManager_c::spawnEffect(effectID, mEffPos, nullptr, &effScale, nullptr, nullptr, 0, 0);
 
                 if (timeCheck > 0) {
-                    playSound(SE_TIMESLIP_TIMESLIP);
+                    startSound(SE_TIMESLIP_TIMESLIP);
                     fn_800306d0();
                 } else {
-                    playSound(SE_TIMESLIP_TIMESLIP_REV);
+                    startSound(SE_TIMESLIP_TIMESLIP_REV);
                     fn_80030700();
                 }
             }
@@ -441,7 +441,7 @@ int dAcEsm_c::actorExecute() {
                     field_0xBB8 = 0;
                 }
                 field_0xBBF = 0;
-                FUN_8002d860(2);
+                setBattleBgmRelated(2);
                 fn_80030700();
                 rotation.y = angle.y = getXZAngleToPlayer();
             }
@@ -555,7 +555,7 @@ int dAcEsm_c::actorExecute() {
                             fn_187_4540(2);
                         } else {
                             mHealth = 100;
-                            playSound(SE_ESm_NO_DMG);
+                            startSound(SE_ESm_NO_DMG);
                             fn_187_61B0(7);
                         }
 
@@ -615,7 +615,7 @@ int dAcEsm_c::actorExecute() {
                                 pOther->field_0xBC8 = 1;
                                 pOther->mDamageTimer = 8;
                                 pOther->mStateMgr.changeState(StateID_Fusion);
-                                playSound(SE_ESm_UNITE);
+                                startSound(SE_ESm_UNITE);
                                 mStateMgr.changeState(StateID_Fusion);
                             }
                         }
@@ -634,7 +634,7 @@ int dAcEsm_c::actorExecute() {
                     if (bomb != nullptr && std::abs(bomb->GetPosition().y - mHomePos1.y) < 0.7f * lookRadius) {
                         if (bomb->GetLinkage().tryAttach(bomb, this, &mBombRef, dLinkage_c::CONNECTION_1, false)) {
                             mTimer_0xBAE = 160;
-                            playSound(SE_ESm_BRING_IN);
+                            startSound(SE_ESm_BRING_IN);
                             clearActorProperty(1);
                         }
                     }
@@ -664,7 +664,7 @@ int dAcEsm_c::actorExecute() {
 
     mSph.SetC(mHomePos1);
     if (mSph.ChkTgElectric()) {
-        playSoundEffect1(SE_ESm_ELEC_LV);
+        holdSound(SE_ESm_ELEC_LV);
     }
 
     radius *= mScaleTarget.x;
@@ -683,9 +683,9 @@ int dAcEsm_c::actorExecute() {
     sLib::addCalcScaled(&field_0xB80, 0.3f, 1.f);
 
     if (field_0xBCB == 0) {
-        playSoundEffect1(SE_ESm_MOVE);
+        holdSound(SE_ESm_MOVE);
     } else {
-        playSoundEffect1(SE_ESm_MOVE_HI);
+        holdSound(SE_ESm_MOVE_HI);
     }
 
     if (field_0xBC8 == 0 && !mStateMgr.isState(StateID_Absorption)) {
@@ -867,7 +867,7 @@ bool dAcEsm_c::fn_187_4090() {
         field_0xB50 = 0.f;
         field_0xB70 = 0.f;
 
-        playSound(SE_ESm_LAND);
+        startSound(SE_ESm_LAND);
 
         if (field_0xBA0 == 0) {
             if (fn_800301b0(position, rotation.y, true, 10.f) == 3 /* TODO: Enum?*/) {
@@ -1081,7 +1081,7 @@ void dAcEsm_c::fn_187_4540(int param0) {
         if (field_0xB98 == 2) {
             mTimer_0xBC4 = 20;
         }
-        playSound(SE_ESm_JUMP);
+        startSound(SE_ESm_JUMP);
     }
 }
 
diff --git a/src/REL/d/a/obj/d_a_obj_appear_bridge.cpp b/src/REL/d/a/obj/d_a_obj_appear_bridge.cpp
index 1111db14..5d2ee4c2 100644
--- a/src/REL/d/a/obj/d_a_obj_appear_bridge.cpp
+++ b/src/REL/d/a/obj/d_a_obj_appear_bridge.cpp
@@ -3,6 +3,7 @@
 #include "d/a/d_a_player.h"
 #include "d/col/bg/d_bg_s.h"
 #include "d/d_stage.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "nw4r/types_nw4r.h"
 #include "toBeSorted/area_utils.h"
 
@@ -94,7 +95,7 @@ void dAcOappearBridge_c::initializeState_Appear() {
     mSrtAnm.setRate(sMovementRate, 0);
     mClrAnm.setRate(sMovementRate, 0);
     dBgS::GetInstance()->Regist(&mCollision, this);
-    playSound(0xAA4);
+    startSound(SE_ApBridg_APPEAR_LV);
 }
 void dAcOappearBridge_c::executeState_Appear() {
     mClrAnm.isStop(0); // ?
diff --git a/src/REL/d/a/obj/d_a_obj_dungeon_ship.cpp b/src/REL/d/a/obj/d_a_obj_dungeon_ship.cpp
index 0a5cdb37..2236d7dd 100644
--- a/src/REL/d/a/obj/d_a_obj_dungeon_ship.cpp
+++ b/src/REL/d/a/obj/d_a_obj_dungeon_ship.cpp
@@ -8,6 +8,7 @@
 #include "d/col/cc/d_cc_s.h"
 #include "d/flag/sceneflag_manager.h"
 #include "d/flag/storyflag_manager.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "f/f_base.h"
 #include "m/m3d/m_fanm.h"
 #include "m/m_angle.h"
@@ -226,7 +227,7 @@ void dAcODungeonShip_c::executeState_Wait() {
         field_0x863 = 0;
         field_0x864 = 0x8C;
         mAppearEvent = field_0x849;
-        playSound(0xB62);
+        startSound(SE_d2ship_APPEAR);
         mStateMgr.changeState(StateID_AppearEvent);
     } else {
         fn_485_1BF0();
@@ -244,7 +245,7 @@ void dAcODungeonShip_c::executeState_Transparency() {
             field_0x863 = 0;
             field_0x855 = 0;
             mNumTimesHit++;
-            playSound(0xB62);
+            startSound(SE_d2ship_APPEAR);
         } else if (mNumTimesHit == 2) {
             field_0x863 = 0;
             mNumTimesHit++;
@@ -252,7 +253,7 @@ void dAcODungeonShip_c::executeState_Transparency() {
             mAppearEvent = mAppearEventFromParam;
             field_0x8D8 = 1;
             mStateMgr.changeState(StateID_AppearEvent);
-            playSound(0xB62);
+            startSound(SE_d2ship_APPEAR);
             return;
         }
     }
diff --git a/src/REL/d/a/obj/d_a_obj_ivy_rope.cpp b/src/REL/d/a/obj/d_a_obj_ivy_rope.cpp
index f7b39a39..896fd2fc 100644
--- a/src/REL/d/a/obj/d_a_obj_ivy_rope.cpp
+++ b/src/REL/d/a/obj/d_a_obj_ivy_rope.cpp
@@ -9,6 +9,7 @@
 #include "d/col/c/c_m3d_g_lin.h"
 #include "d/col/cc/d_cc_s.h"
 #include "d/flag/sceneflag_manager.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "egg/math/eggMath.h"
 #include "m/m3d/m3d.h"
 #include "m/m_angle.h"
@@ -1116,7 +1117,7 @@ void dAcOivyRope_c::fn_256_E3E0() {
                 mField_0x1030 = 60;
                 mStateMgr.changeState(StateID_RopeReturn);
                 fn_256_DEE0();
-                playSound(0xB76 /* HANGDOWN */);
+                startSound(SE_IvyRope_HANGDOWN);
             }
         } break;
         case 4: {
diff --git a/src/REL/d/a/obj/d_a_obj_tower_gearD101.cpp b/src/REL/d/a/obj/d_a_obj_tower_gearD101.cpp
index cee568bd..cda686ce 100644
--- a/src/REL/d/a/obj/d_a_obj_tower_gearD101.cpp
+++ b/src/REL/d/a/obj/d_a_obj_tower_gearD101.cpp
@@ -93,9 +93,9 @@ void dAcOTowerGearD101_c::executeState_Wait() {
         mAng newRotation = diff * scale5 / 2400.0f;
         if (newRotation != mCurrRotation) {
             if (mPreviousTurnSpeed == 0) {
-                playSound(SE_TGrD101_ROLL_START);
+                startSound(SE_TGrD101_ROLL_START);
             } else {
-                playSoundEffect1(SE_TGrD101_ROLL_LV);
+                holdSound(SE_TGrD101_ROLL_LV);
                 playVisualEffect();
             }
         }
diff --git a/src/REL/d/a/obj/d_a_obj_tower_hand_D101.cpp b/src/REL/d/a/obj/d_a_obj_tower_hand_D101.cpp
index 8398f3d0..c101c768 100644
--- a/src/REL/d/a/obj/d_a_obj_tower_hand_D101.cpp
+++ b/src/REL/d/a/obj/d_a_obj_tower_hand_D101.cpp
@@ -7,6 +7,7 @@
 #include "d/col/bg/d_bg_w.h"
 #include "d/d_stage.h"
 #include "d/flag/sceneflag_manager.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "f/f_base.h"
 #include "m/m3d/m_fanm.h"
 #include "m/m_angle.h"
@@ -597,7 +598,7 @@ void dAcOTowerHandD101_c::initializeState_Close() {
     mMdl.getAnm().setPlayState(m3d::PLAY_MODE_1);
     mMdl.setRate(getCloseRate());
     mEffects.createEffect(PARTICLE_RESOURCE_ID_MAPPING_573_, position, nullptr, nullptr, nullptr, nullptr);
-    playSound(0xC0C);
+    startSound(SE_TowerHa_CLENCH);
 }
 void dAcOTowerHandD101_c::executeState_Close() {
     dAcPy_c *link = dAcPy_c::LINK;
@@ -649,7 +650,7 @@ void dAcOTowerHandD101_c::initializeState_Open() {
         mMdl.getAnm().setPlayState(m3d::PLAY_MODE_3);
         mMdl.setRate(getOpenRate());
     }
-    playSound(0xC0D);
+    startSound(SE_TowerHa_OPEN);
 }
 void dAcOTowerHandD101_c::executeState_Open() {
     dAcPy_c *link = dAcPy_c::LINK;
diff --git a/src/REL/d/a/obj/d_a_obj_trap_rock_1.cpp b/src/REL/d/a/obj/d_a_obj_trap_rock_1.cpp
index efcdaf44..9876e0bb 100644
--- a/src/REL/d/a/obj/d_a_obj_trap_rock_1.cpp
+++ b/src/REL/d/a/obj/d_a_obj_trap_rock_1.cpp
@@ -2,6 +2,7 @@
 
 #include "d/col/bg/d_bg_s.h"
 #include "d/flag/sceneflag_manager.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "m/m_vec.h"
 #include "nw4r/math/math_arithmetic.h"
 #include "s/s_Math.h"
@@ -74,7 +75,7 @@ void dAcOtrapRock1_c::initializeState_TrapAction() {
     field_0x5A0 = 0x2000;
     field_0x5A5 = 1;
     field_0x5A2 = 0x2D8;
-    playSound(0xB0E);
+    startSound(SE_TrapRc1_TRAP_ACTION);
 }
 
 void dAcOtrapRock1_c::executeState_TrapAction() {
diff --git a/src/REL/d/a/obj/d_a_obj_tubo.cpp b/src/REL/d/a/obj/d_a_obj_tubo.cpp
index 7ae8a189..7f916f97 100644
--- a/src/REL/d/a/obj/d_a_obj_tubo.cpp
+++ b/src/REL/d/a/obj/d_a_obj_tubo.cpp
@@ -217,7 +217,7 @@ void dAcOtubo_c::executeState_Wait() {
                 dJEffManager_c::spawnGroundEffect(position, polyAttr0, polyAttr1, mField_0x1B4, 0, 1.0f, mField_0x1B0);
             }
             if (mbField_0x9F3) {
-                playSound(SE_Tubo_PUT);
+                startSound(SE_Tubo_PUT);
                 mbField_0x9F3 = false;
             }
             if (checkOnLava()) {
@@ -226,7 +226,7 @@ void dAcOtubo_c::executeState_Wait() {
                         position, polyAttr0, polyAttr1, mField_0x1B4, 0, 1.0f, mField_0x1B0
                     );
                 }
-                playSound(SE_O_FALL_LAVA_S);
+                startSound(SE_O_FALL_LAVA_S);
             }
         }
     } else if (mObjAcch.ChkGndHit()) {
@@ -467,7 +467,7 @@ void dAcOtubo_c::destroy() {
         fx_thing->bindShpEmitter(mSubtype != 0 ? dJEffManager_c::TsuboB : dJEffManager_c::TsuboA, false);
     }
 
-    playSound(SE_Tubo_BREAK);
+    startSound(SE_Tubo_BREAK);
 
     if (mSceneflag < 0xFF && !checkSceneflag()) {
         SceneflagManager::sInstance->setFlag(roomid, mSceneflag);
@@ -607,7 +607,7 @@ void dAcOtubo_c::fn_272_2670() {
         cLib::addCalcPosXZ(&velocity, mVec3_c::Zero, 0.05f, 1.0f, 0.2f);
         forwardSpeed = EGG::Math<f32>::sqrt(velocity.x * velocity.x + velocity.z * velocity.z);
         if (!noSound) {
-            playSound(SE_O_FALL_WATER_S);
+            startSound(SE_O_FALL_WATER_S);
         }
         mbSubmerged = true;
     } else {
@@ -855,7 +855,7 @@ void dAcOtubo_c::playRollSound() {
         return;
     }
 
-    FUN_8002d770(SE_Tubo_ROLL_LV, forwardSpeed);
+    holdSoundWithFloatParam(SE_Tubo_ROLL_LV, forwardSpeed);
 }
 
 void float_order() {
diff --git a/src/REL/d/a/obj/d_a_obj_tumble_weed.cpp b/src/REL/d/a/obj/d_a_obj_tumble_weed.cpp
index ed1049f6..c4e44fdc 100644
--- a/src/REL/d/a/obj/d_a_obj_tumble_weed.cpp
+++ b/src/REL/d/a/obj/d_a_obj_tumble_weed.cpp
@@ -144,7 +144,7 @@ int dAcOTumbleWeed_c::actorExecute() {
     dCcS::GetInstance()->Set(&mSph);
     updateMatrix();
     calcMatrix();
-    playSoundEffect1(0xC2C); // TODO(Sound Id)
+    holdSound(SE_TWeed_ROLL_LV);
     mMdl.setLocalMtx(mWorldMtx);
     mMdl.setScale(mScale);
     mMdl.calc(false);
@@ -262,7 +262,7 @@ bool dAcOTumbleWeed_c::checkInvalidGround() const {
 }
 
 void dAcOTumbleWeed_c::doBreak() {
-    playSound(SE_TWeed_CUT);
+    startSound(SE_TWeed_CUT);
     mVec3_c pos = getPosition();
     dJEffManager_c::spawnEffect(PARTICLE_RESOURCE_ID_MAPPING_743_, pos, nullptr, nullptr, nullptr, nullptr, 0, 0);
     deleteRequest();
diff --git a/src/REL/d/a/obj/d_a_obj_underground_switch.cpp b/src/REL/d/a/obj/d_a_obj_underground_switch.cpp
index d8ef1e7f..491170b5 100644
--- a/src/REL/d/a/obj/d_a_obj_underground_switch.cpp
+++ b/src/REL/d/a/obj/d_a_obj_underground_switch.cpp
@@ -4,6 +4,7 @@
 #include "d/a/d_a_player.h"
 #include "d/a/obj/d_a_obj_base.h"
 #include "d/flag/sceneflag_manager.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "m/m_vec.h"
 #include "nw4r/g3d/res/g3d_resanmclr.h"
 #include "nw4r/g3d/res/g3d_resmdl.h"
@@ -109,7 +110,7 @@ void dAcOUgSwitch_c::executeState_Active() {
     if (mVariant == 0 && !SceneflagManager::sInstance->checkBoolFlag(roomid, mActiveSceneFlag)) {
         if (isWithinPlayerRadius(sActivationRadius) && dAcPy_c::LINK->checkActionFlags(dAcPy_c::FLG0_CRAWLING)) {
             mOnEventTimer = sEventTimer;
-            playSound(0xB12);
+            startSound(SE_UgSwitc_ON_ZERO);
             mStateMgr.changeState(StateID_On);
         }
     }
@@ -117,7 +118,7 @@ void dAcOUgSwitch_c::executeState_Active() {
         if (!SceneflagManager::sInstance->checkBoolFlag(roomid, field_0x3BD)) {
             if (isWithinPlayerRadius(sActivationRadius) && dAcPy_c::LINK->checkActionFlags(dAcPy_c::FLG0_CRAWLING)) {
                 mOnEventTimer = sEventTimer;
-                playSound(0xB13);
+                startSound(SE_UgSwitc_ON);
                 mStateMgr.changeState(StateID_On);
             }
         }
diff --git a/src/REL/d/a/obj/d_a_obj_utajima_island.cpp b/src/REL/d/a/obj/d_a_obj_utajima_island.cpp
index 23c2c3b5..aa4c5eed 100644
--- a/src/REL/d/a/obj/d_a_obj_utajima_island.cpp
+++ b/src/REL/d/a/obj/d_a_obj_utajima_island.cpp
@@ -5,6 +5,7 @@
 #include "d/a/obj/d_a_obj_utajima_main_mecha.h"
 #include "d/col/bg/d_bg_s.h"
 #include "d/d_stage.h"
+#include "d/snd/d_snd_wzsound.h"
 #include "f/f_base.h"
 #include "f/f_manager.h"
 #include "f/f_profile_name.h"
@@ -105,17 +106,17 @@ void dAcOutajimaIsland_c::executeState_Wait() {
 
     if (mPlaySound) {
         if (mRingLayer == 1) {
-            playSoundEffect1(0xC6E);
+            holdSound(SE_UtaLand_MoveA);
         } else if (mRingLayer == 2) {
-            playSoundEffect1(0xC6F);
+            holdSound(SE_UtaLand_MoveB);
         } else if (mRingLayer == 3) {
-            playSoundEffect1(0xC70);
+            holdSound(SE_UtaLand_MoveC);
         }
 
         if (mOldPosition == position) {
             mPlaySound = false;
             if (mParam2 == 0 && !sPlatformsSettled) {
-                playSound(0xC71);
+                startSound(SE_UtaLand_StopOK);
                 sPlatformsSettled = true;
             }
         }
diff --git a/src/d/a/d_a_base.cpp b/src/d/a/d_a_base.cpp
index a60175f5..e2dd3410 100644
--- a/src/d/a/d_a_base.cpp
+++ b/src/d/a/d_a_base.cpp
@@ -11,6 +11,7 @@
 #include "d/d_sc_game.h"
 #include "d/d_stage.h"
 #include "d/flag/enemyflag_manager.h"
+#include "d/snd/d_snd_source.h"
 #include "egg/core/eggAllocator.h"
 #include "egg/math/eggMath.h"
 #include "f/f_base.h"
@@ -38,13 +39,11 @@ dAcBase_c *dAcBase_c::s_Create_Parent;
 const ActorInfo *dAcBase_c::s_Create_ActorInfo;
 u8 dAcBase_c::s_Create_Subtype;
 
-extern "C" dSoundSourceIf_c *soundForActorInitRelated_803889c0(s8, fBase_c *, const char *, u8);
-
 bool dAcBase_c::createHeap() {
     return true;
 }
 
-// sound_source and sound_list need to be ironed out before this can match
+// mpSoundSource and sound_list need to be ironed out before this can match
 // NOT MATCHING
 // 8002c3b0
 dAcBase_c::dAcBase_c()
@@ -90,7 +89,7 @@ dAcBase_c::dAcBase_c()
 // 8002c530
 // dBase_c::~dBase_c() {}
 
-// Fixing the sound_source and sound_info in the ctor should make this match
+// Fixing the mpSoundSource and sound_info in the ctor should make this match
 // NOT MATCHING
 // 8002c590
 dAcBase_c::~dAcBase_c() {}
@@ -122,7 +121,7 @@ dSoundSourceIf_c *dAcBase_c::createSoundSource() {
     }
 
     const char *actorName = getActorName(mpActorInfo);
-    return soundForActorInitRelated_803889c0(soundSourceType, this, actorName, subtype);
+    return dSoundSource_c::create(soundSourceType, this, actorName, subtype);
 }
 
 int dAcBase_c::initAllocatorWork1Heap(int size, char *name, int align) {
@@ -133,7 +132,7 @@ int dAcBase_c::initAllocator(int size, char *name, EGG::Heap *heap, int align) {
     if (!heap_allocator.createFrmHeapToCurrent(size, heap, name, 0x20, mHeap::OPT_NONE)) {
         return 0;
     }
-    sound_source = createSoundSource();
+    mpSoundSource = createSoundSource();
     int success = createHeap();
     heap_allocator.adjustFrmHeapRestoreCurrent();
     return success;
@@ -192,7 +191,10 @@ void dAcBase_c::postCreate(fBase_c::MAIN_STATE_e state) {
 // NOT MATCHING
 // 8002c940
 int dAcBase_c::preDelete() {
-    int fbaseDelete = fBase_c::preDelete();
+    int ret = SUCCEEDED;
+    if (fBase_c::preDelete() == NOT_READY) {
+        ret = NOT_READY;
+    }
 
     if (!checkActorProperty(0x800) && checkActorProperty(0x10000000) &&
         fBase_c::getConnectParent()->lifecycle_state != TO_BE_DELETED) {
@@ -201,29 +203,39 @@ int dAcBase_c::preDelete() {
         }
 
     } else {
-        if (sound_source != nullptr) {
-            // TODO: add func call
+        if (mpSoundSource != nullptr) {
+            mpSoundSource->stopAllSound(0);
+        }
+        // TODO - TList
+        for (SoundInfoList::Iterator it = sound_list.GetBeginIter(); it != sound_list.GetEndIter(); ++it) {
+            it->getSource()->stopAllSound(0);
         }
-
-        // TODO: add sound_info stuff once the SoundInfo x Heap weirdness is figured out
     }
 
-    if (fbaseDelete == 0) {
-        return false;
+    if (ret == NOT_READY) {
+        return NOT_READY;
     }
 
-    if (sound_source != nullptr) {
-        // TODO: add func calls
-        return false;
+    if (mpSoundSource != nullptr) {
+        mpSoundSource->shutdown();
+        if (mpSoundSource->hasPlayingSounds()) {
+            return NOT_READY;
+        }
+    }
+    // TODO - TList
+    for (SoundInfoList::Iterator it = sound_list.GetBeginIter(); it != sound_list.GetEndIter(); ++it) {
+        it->getSource()->shutdown();
+        if (it->getSource()->hasPlayingSounds()) {
+            return NOT_READY;
+        }
     }
 
-    // TODO: add sound_info stuff once the SoundInfo x Heap weirdness is figured out
 
-    if (checkActorProperty(0x20000000)) {
+    if (checkActorProperty(0x02000000)) {
         changeLoadedEntitiesNoSet();
     }
 
-    return true;
+    return SUCCEEDED;
 }
 
 // 8002cb10
@@ -263,9 +275,20 @@ int dAcBase_c::actorExecuteInEvent() {
     return actorExecute();
 }
 
-// Can't make progress on this til the SoundInfo x Heap weirdness is figured out
 // 8002ccc0
-void dAcBase_c::postExecute(fBase_c::MAIN_STATE_e state) {}
+void dAcBase_c::postExecute(fBase_c::MAIN_STATE_e state) {
+    if (mpSoundSource != nullptr) {
+        mpSoundSource->calc(*obj_pos);
+        mpSoundSource->setPolyAttrs(polyAttr0, polyAttr1);
+    }
+
+    // TODO - TList
+    for (SoundInfoList::Iterator it = sound_list.GetBeginIter(); it != sound_list.GetEndIter(); ++it) {
+        it->calc();
+    }
+
+    // TODO - ...
+}
 
 // 8002ce90
 void dAcBase_c::unkVirtFunc_0x5C() {
@@ -494,29 +517,118 @@ bool dAcBase_c::isRoomFlags_0x6_Set() {
     return (room->checkFlag(0x4 | 0x2));
 }
 
-// Start of SoundSource stuff
-void dAcBase_c::FUN_8002d590() {}
-void dAcBase_c::FUN_8002d5b0() {}
-void dAcBase_c::playSound(u16) {}
-void dAcBase_c::FUN_8002d600() {}
-void dAcBase_c::FUN_8002d630() {}
-void dAcBase_c::FUN_8002d6d0() {}
-// currently named ActorBase__playSoundEffect1
-void dAcBase_c::playSoundEffect1(u16) {}
-void dAcBase_c::FUN_8002d740() {}
-void dAcBase_c::FUN_8002d770(u16, f32) {}
-void dAcBase_c::FUN_8002d7a0() {}
-void dAcBase_c::FUN_8002d7d0() {}
-void dAcBase_c::FUN_8002d7f0() {}
-void dAcBase_c::FUN_8002d810() {}
-void dAcBase_c::FUN_8002d830() {}
-void dAcBase_c::FUN_8002d860(UNKWORD) {}
+void dAcBase_c::setSoundSourceSubtype(u8 subType) {
+    if (mpSoundSource == nullptr) {
+        return;
+    }
+    mpSoundSource->setSubtype(subType);
+}
+
+void dAcBase_c::FUN_8002d5b0() {
+    if (mpSoundSource == nullptr) {
+        return;
+    }
+    mpSoundSource->vt_0x0F0_noop();
+}
+
+bool dAcBase_c::startSound(u32 soundId) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->startSound(soundId);
+}
+
+bool dAcBase_c::startSoundWithFloatParam(u32 soundId, f32 param) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->startSoundWithFloatParam(soundId, param);
+}
+
+bool dAcBase_c::startBgHitSound(u32 soundId, const cBgS_PolyInfo &info, const mVec3_c *position) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->startBgHitSound(
+        soundId, dBgS::GetInstance()->GetPolyAtt0(info), dBgS::GetInstance()->GetPolyAtt1(info),
+        position != nullptr ? position : &this->position
+    );
+}
+
+bool dAcBase_c::startSoundAtPosition(u32 soundId, const mVec3_c *position) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->startSoundAtPosition(soundId, position != nullptr ? position : &this->position);
+}
+
+bool dAcBase_c::holdSound(u32 soundId) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->holdSound(soundId);
+}
+
+bool dAcBase_c::holdSoundWithIntParam(u32 soundId, s32 param) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->holdSoundWithIntParam(soundId, param);
+}
+
+bool dAcBase_c::holdSoundWithFloatParam(u32 soundId, f32 param) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->holdSoundWithFloatParam(soundId, param);
+}
+
+bool dAcBase_c::holdSoundWithParams(u32 soundId, f32 fValue, s32 value) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->holdSoundWithParams(soundId, fValue, value);
+}
+
+void dAcBase_c::onSoundSourceFlag2(u32 mask) {
+    if (mpSoundSource == nullptr) {
+        return;
+    }
+    mpSoundSource->onFlag2(mask);
+}
+
+void dAcBase_c::onSoundSourceFlag1(u32 mask) {
+    if (mpSoundSource == nullptr) {
+        return;
+    }
+    mpSoundSource->onFlag1(mask);
+}
+
+void dAcBase_c::offSoundSourceFlag1(u32 mask) {
+    if (mpSoundSource == nullptr) {
+        return;
+    }
+    mpSoundSource->offFlag1(mask);
+}
+
+bool dAcBase_c::isPlayingSound(u32 soundId) {
+    if (mpSoundSource == nullptr) {
+        return false;
+    }
+    return mpSoundSource->isPlayingSound(soundId);
+}
+
+void dAcBase_c::setBattleBgmRelated(UNKWORD param) {
+    if (mpSoundSource == nullptr) {
+        return;
+    }
+    mpSoundSource->setBattleBgmRelated(param);
+}
 
 // 8002d880
 dSoundSourceIf_c *dAcBase_c::getSoundSource() {
-    return sound_source.get();
+    return mpSoundSource.get();
 }
-// End of SoundSource stuff
 
 // 8002d890
 void dAcBase_c::removeSoundInfo(SoundInfo *soundInfo) {
diff --git a/src/d/a/d_a_insect.cpp b/src/d/a/d_a_insect.cpp
index b93cac0d..cead799a 100644
--- a/src/d/a/d_a_insect.cpp
+++ b/src/d/a/d_a_insect.cpp
@@ -19,7 +19,7 @@
 
 void dAcOInsect_c::kill() {
     dJEffManager_c::spawnEffect(PARTICLE_RESOURCE_ID_MAPPING_394_, position, nullptr, nullptr, nullptr, nullptr, 0, 0);
-    playSound(SE_Insect_DISAPPEAR);
+    startSound(SE_Insect_DISAPPEAR);
     deleteRequest();
 }
 
diff --git a/src/d/a/obj/d_a_obj_switch.cpp b/src/d/a/obj/d_a_obj_switch.cpp
index d64f90bb..29cc1dc4 100644
--- a/src/d/a/obj/d_a_obj_switch.cpp
+++ b/src/d/a/obj/d_a_obj_switch.cpp
@@ -160,7 +160,7 @@ int dAcOsw_c::actorExecute() {
                     dJEffManager_c::spawnEffect(
                         PARTICLE_RESOURCE_ID_MAPPING_754_, position, &rotation, nullptr, nullptr, nullptr, 0, 0
                     );
-                    playSound(SE_TIMESLIP_TIMESLIP_REV);
+                    startSound(SE_TIMESLIP_TIMESLIP_REV);
                     mHidden = true;
                 }
             } else {
@@ -175,7 +175,7 @@ int dAcOsw_c::actorExecute() {
                     dJEffManager_c::spawnEffect(
                         PARTICLE_RESOURCE_ID_MAPPING_754_, position, &rotation, nullptr, nullptr, nullptr, 0, 0
                     );
-                    playSound(SE_TIMESLIP_TIMESLIP);
+                    startSound(SE_TIMESLIP_TIMESLIP);
                     mShown = true;
                 }
             } else {
@@ -250,7 +250,7 @@ void dAcOsw_c::executeState_OnWait() {
 void dAcOsw_c::finalizeState_OnWait() {}
 
 void dAcOsw_c::initializeState_On() {
-    playSound(0xA19);
+    startSound(SE_Sw_SLIDE);
 }
 void dAcOsw_c::executeState_On() {
     if (sLib::chase(&mButtonCtrl.mElevation, -20.0f, 2.0f)) {
@@ -259,7 +259,7 @@ void dAcOsw_c::executeState_On() {
 }
 
 void dAcOsw_c::finalizeState_On() {
-    playSound(0xA18);
+    startSound(SE_Sw_ON);
     dRumble_c::start(dRumble_c::sRumblePreset2, 0x1);
 }
 
@@ -281,7 +281,7 @@ void dAcOsw_c::executeState_OffWait() {
 void dAcOsw_c::finalizeState_OffWait() {}
 
 void dAcOsw_c::initializeState_Off() {
-    playSound(0xA19);
+    startSound(SE_Sw_SLIDE);
 }
 void dAcOsw_c::executeState_Off() {
     if (sLib::chase(&mButtonCtrl.mElevation, 0.0f, 2.0f)) {
diff --git a/src/d/a/obj/d_a_obj_tbox.cpp b/src/d/a/obj/d_a_obj_tbox.cpp
index ef3c05de..618cc6e2 100644
--- a/src/d/a/obj/d_a_obj_tbox.cpp
+++ b/src/d/a/obj/d_a_obj_tbox.cpp
@@ -1934,7 +1934,7 @@ extern "C" dAcItem_c *giveItem3(u16 item, s32);
 
 void dAcTbox_c::initializeState_Open() {
     mScale.set(1.0f, 1.0f, 1.0f);
-    playSound(SE_TBox_OPEN_A);
+    startSound(SE_TBox_OPEN_A);
     clearActorProperty(0x100);
     if (mVariant == NORMAL) {
         mAnmMatClr1.setFrame(mAnmMatClr1.getFrameMax(0), 0);
diff --git a/src/toBeSorted/sound_info.cpp b/src/toBeSorted/sound_info.cpp
index 98f7c6ea..cbca3354 100644
--- a/src/toBeSorted/sound_info.cpp
+++ b/src/toBeSorted/sound_info.cpp
@@ -1,13 +1,32 @@
+#include "toBeSorted/sound_info.h"
+
+#include "common.h"
 #include "d/a/d_a_base.h"
+#include "d/col/bg/d_bg_s.h"
+#include "d/snd/d_snd_source.h"
 
-extern "C" dSoundSourceIf_c *soundForActorInitRelated_803889c0(int, fBase_c *, char *, u8);
+SoundInfo::SoundInfo(dAcBase_c *ac) : mpActor(ac) {}
 
-extern "C" bool fn_8002C250(SoundInfo *p1, int someNum, char *name, mVec3_c *position) {
-    p1->sound_source = soundForActorInitRelated_803889c0(someNum, p1->actor, name, 0);
-    if (!p1->sound_source) {
+SoundInfo::~SoundInfo() {
+    if (mpActor != nullptr) {
+        mpActor->removeSoundInfo(this);
+        mpActor = nullptr;
+    }
+}
+
+bool SoundInfo::initSource(u8 sourceType, const char *name, const mVec3_c *posPtr) {
+    mpSource = dSoundSource_c::create(sourceType, mpActor, name, 0);
+    if (mpSource == nullptr) {
         return false;
     }
-    p1->actor->sound_list.append(p1);
-    p1->obj_pos = position;
+    mpActor->sound_list.append(this);
+    mpPosPtr = posPtr;
     return true;
 }
+
+bool SoundInfo::startBgHitSound(u32 soundId, const cBgS_PolyInfo &info, const mVec3_c *position) {
+    return mpSource->startBgHitSound(
+        soundId, dBgS::GetInstance()->GetPolyAtt0(info), dBgS::GetInstance()->GetPolyAtt1(info),
+        position != nullptr ? position : &mpActor->position
+    );
+}