diff --git a/config/SOUE01/symbols.txt b/config/SOUE01/symbols.txt
index dc814f19..bc2f3da0 100644
--- a/config/SOUE01/symbols.txt
+++ b/config/SOUE01/symbols.txt
@@ -20473,7 +20473,7 @@ fn_80370420 = .text:0x80370420; // type:function size:0xCC
 fn_803704F0 = .text:0x803704F0; // type:function size:0xC
 playBattleBgm__12dSndBgmMgr_cFUlb = .text:0x80370500; // type:function size:0x120
 fn_80370620 = .text:0x80370620; // type:function size:0xC0
-fn_803706E0 = .text:0x803706E0; // type:function size:0x24
+beginBgmBattleMainLoop__12dSndBgmMgr_cFv = .text:0x803706E0; // type:function size:0x24
 fn_80370710 = .text:0x80370710; // type:function size:0x64
 beginBgmBattleRoom__12dSndBgmMgr_cFv = .text:0x80370780; // type:function size:0x54
 endBgmBattleRoom__12dSndBgmMgr_cFv = .text:0x803707E0; // type:function size:0x60
@@ -20532,7 +20532,7 @@ fn_803725E0 = .text:0x803725E0; // type:function size:0xB4
 fn_803726A0 = .text:0x803726A0; // type:function size:0xE4
 findIdleBgmSoundHandle__12dSndBgmMgr_cFv = .text:0x80372790; // type:function size:0x10C
 fn_803728A0 = .text:0x803728A0; // type:function size:0x74
-fn_80372920 = .text:0x80372920; // type:function size:0x3C
+cullTooManyPreparingSounds__12dSndBgmMgr_cFv = .text:0x80372920; // type:function size:0x3C
 getBgmBattleSound__12dSndBgmMgr_cFv = .text:0x80372960; // type:function size:0x8
 addToBgmSoundList__12dSndBgmMgr_cFQ212dSndBgmMgr_c14BgmSoundList_eP14dSndBgmSound_c = .text:0x80372970; // type:function size:0x6C
 appendToBgmSoundList__12dSndBgmMgr_cFQ212dSndBgmMgr_c14BgmSoundList_eP14dSndBgmSound_c = .text:0x803729E0; // type:function size:0x6C
@@ -20550,7 +20550,7 @@ fn_80372E30 = .text:0x80372E30; // type:function size:0x40
 fn_80372E70 = .text:0x80372E70; // type:function size:0xB0
 fn_80372F20 = .text:0x80372F20; // type:function size:0x6C
 playFanSound__12dSndBgmMgr_cFUl = .text:0x80372F90; // type:function size:0x264
-setField0x101__14dSoundSource_cFUc = .text:0x80373200; // type:function size:0x8
+setField0x101__14dSoundSource_cFb = .text:0x80373200; // type:function size:0x8
 prepareFanSound__12dSndBgmMgr_cFUl = .text:0x80373210; // type:function size:0xB4
 getFreeFanSoundHandle__12dSndBgmMgr_cFv = .text:0x803732D0; // type:function size:0x44
 getFanSoundHandleForFan__12dSndBgmMgr_cFUl = .text:0x80373320; // type:function size:0x8C
@@ -20976,7 +20976,7 @@ fn_80384360 = .text:0x80384360; // type:function size:0x7C
 fn_803843E0 = .text:0x803843E0; // type:function size:0x34
 fn_80384420 = .text:0x80384420; // type:function size:0x94
 fn_803844C0 = .text:0x803844C0; // type:function size:0xB0
-fn_80384570 = .text:0x80384570; // type:function size:0xC0
+setMutedFromFader__15dSndSourceMgr_cFb = .text:0x80384570; // type:function size:0xC0
 fn_80384630 = .text:0x80384630; // type:function size:0x94
 fn_803846D0 = .text:0x803846D0; // type:function size:0xA0
 getGroup__15dSndSourceMgr_cFlP9dAcBase_cPCcPCcUc = .text:0x80384770; // type:function size:0xAC
diff --git a/include/d/snd/d_snd_bgm_mgr.h b/include/d/snd/d_snd_bgm_mgr.h
index ff05db51..aa8654fa 100644
--- a/include/d/snd/d_snd_bgm_mgr.h
+++ b/include/d/snd/d_snd_bgm_mgr.h
@@ -73,7 +73,10 @@ public:
     /** Runs when the fight is over, no matter how you started it */
     bool endBgmBattleRoom();
 
+    bool beginBgmBattleMainLoop();
+
     bool isPlayingAnyBattleMusic();
+    void cullTooManyPreparingSounds();
 
     void removeFromAllBgmSoundLists(dSndBgmSound_c *sound);
     void addToBgmSoundList(BgmSoundList_e list, dSndBgmSound_c *sound);
diff --git a/include/d/snd/d_snd_source.h b/include/d/snd/d_snd_source.h
index 161322ab..f84105b5 100644
--- a/include/d/snd/d_snd_source.h
+++ b/include/d/snd/d_snd_source.h
@@ -183,7 +183,7 @@ public:
         return false;
     }
     /* 0x0F0 */ virtual void vt_0x0F0_noop() override {}
-    /* 0x0F4 */ virtual void setField0x101(u8 value) override {
+    /* 0x0F4 */ virtual void setField0x101(bool value) override {
         field_0x101 = value;
     }
     /* 0x0F8 */ virtual void setField0x102(u8 value) override {
@@ -273,7 +273,7 @@ protected:
     /* 0x0FE */ u8 mSubtype;
     /* 0x0FF */ bool mIsSetup;
     /* 0x100 */ u8 field_0x100;
-    /* 0x101 */ u8 field_0x101;
+    /* 0x101 */ bool field_0x101;
     /* 0x102 */ u8 field_0x102;
     /* 0x104 */ u32 mFlagsPersistent;
     /* 0x108 */ u32 mFlagsHold;
diff --git a/include/d/snd/d_snd_source_if.h b/include/d/snd/d_snd_source_if.h
index 2ff36728..86a08c9f 100644
--- a/include/d/snd/d_snd_source_if.h
+++ b/include/d/snd/d_snd_source_if.h
@@ -93,7 +93,7 @@ public:
     /* 0x0E8 */ virtual bool isPlayingActionSound() const = 0;
     /* 0x0EC */ virtual bool isCurrentActionSound(u32 id) const = 0;
     /* 0x0F0 */ virtual void vt_0x0F0_noop() = 0;
-    /* 0x0F4 */ virtual void setField0x101(u8 value) = 0;
+    /* 0x0F4 */ virtual void setField0x101(bool value) = 0;
     /* 0x0F8 */ virtual void setField0x102(u8 value) = 0;
     /* 0x0FC */ virtual bool isInaudible() = 0;
     /* 0x100 */ virtual bool hasAnimSound() = 0;
diff --git a/include/d/snd/d_snd_source_mgr.h b/include/d/snd/d_snd_source_mgr.h
index 6bcbefad..e1eb6a28 100644
--- a/include/d/snd/d_snd_source_mgr.h
+++ b/include/d/snd/d_snd_source_mgr.h
@@ -62,6 +62,8 @@ public:
         field_0x3868--;
     }
 
+    void setMutedFromFader(bool muteFlag);
+
 private:
     void calcEnemyObjVolume();
 
diff --git a/include/toBeSorted/music_mgrs.h b/include/toBeSorted/music_mgrs.h
index b11174bc..17821527 100644
--- a/include/toBeSorted/music_mgrs.h
+++ b/include/toBeSorted/music_mgrs.h
@@ -2,9 +2,7 @@
 #define MUSIC_MGRS_H
 
 #include "common.h"
-#include "d/snd/d_snd_bgm_mgr.h"
 #include "d/snd/d_snd_player_mgr.h"
-#include "d/snd/d_snd_source_mgr.h"
 #include "d/snd/d_snd_state_mgr.h"
 
 class dSndSound_c;
@@ -16,6 +14,7 @@ extern "C" void fn_8035E000();
 extern "C" void fn_8035E860(dSndPlayerMgr_c *);
 extern "C" void fn_8035E820(dSndPlayerMgr_c *);
 extern "C" void fn_8035E880(dSndPlayerMgr_c *);
+extern "C" void fn_8035E310(dSndPlayerMgr_c *);
 
 #define ENEMY_SOUND_MGR (dSndStateMgr_c::GetInstance())
 extern "C" void fn_80362150(dSndStateMgr_c *, u16);
@@ -24,17 +23,8 @@ extern "C" void fn_803618F0(dSndStateMgr_c *);
 extern "C" void fn_80362730(dSndStateMgr_c *);
 extern "C" void fn_80365D20(dSndStateMgr_c *);
 extern "C" void fn_803624F0(dSndStateMgr_c *);
-extern "C" void fn_80364FD0(dSndStateMgr_c *, s32);
 extern "C" bool fn_80364DA0(dSndStateMgr_c *);
 extern "C" void fn_80365020(dSndStateMgr_c *);
 extern "C" void fn_80364D00(dSndStateMgr_c *, s32);
 
-#define ENEMY_BGM_RELATED_MGR (dSndSourceMgr_c::GetInstance())
-extern "C" void fn_80384570(dSndSourceMgr_c *, bool);
-
-// This one has a SoundActor that actually plays the BGM_ music tracks,
-// including the battle BGM track.
-#define FANFARE_SOUND_MGR (dSndBgmMgr_c::GetInstance())
-extern "C" void fn_80372920(dSndBgmMgr_c *);
-
 #endif
diff --git a/src/d/d_stage.cpp b/src/d/d_stage.cpp
index 684824f7..7d2d2d38 100644
--- a/src/d/d_stage.cpp
+++ b/src/d/d_stage.cpp
@@ -13,6 +13,7 @@
 #include "d/flag/dungeonflag_manager.h"
 #include "d/flag/sceneflag_manager.h"
 #include "d/flag/storyflag_manager.h"
+#include "d/snd/d_snd_source_mgr.h"
 #include "f/f_base.h"
 #include "f/f_profile.h"
 #include "f/f_profile_name.h"
@@ -27,7 +28,6 @@
 #include "toBeSorted/arc_managers/layout_arc_manager.h"
 #include "toBeSorted/arc_managers/oarc_manager.h"
 #include "toBeSorted/event_manager.h"
-#include "toBeSorted/music_mgrs.h"
 #include "toBeSorted/time_area_mgr.h"
 
 #include <cstring>
@@ -164,7 +164,7 @@ bool dStage_c::fadeIn(s32 fadeType, u16 frames) {
     mFader.setFadeInType(fadeType);
     mFader.setFadeInFrame(frames);
     mFader.fadeIn();
-    fn_80384570(ENEMY_BGM_RELATED_MGR, false);
+    dSndSourceMgr_c::GetInstance()->setMutedFromFader(false);
     return true;
 }
 
@@ -175,18 +175,18 @@ bool dStage_c::fadeOut(s32 fadeType, u16 frames) {
     mFader.setFadeOutType(fadeType);
     mFader.setFadeOutFrame(frames);
     mFader.fadeOut();
-    fn_80384570(ENEMY_BGM_RELATED_MGR, true);
+    dSndSourceMgr_c::GetInstance()->setMutedFromFader(true);
     return true;
 }
 
 void dStage_c::forceFadeOut() {
     mFader.setStatus(mFaderBase_c::FADED_OUT);
-    fn_80384570(ENEMY_BGM_RELATED_MGR, true);
+    dSndSourceMgr_c::GetInstance()->setMutedFromFader(true);
 }
 
 void dStage_c::forceFadeIn() {
     mFader.setStatus(mFaderBase_c::FADED_IN);
-    fn_80384570(ENEMY_BGM_RELATED_MGR, false);
+    dSndSourceMgr_c::GetInstance()->setMutedFromFader(false);
 }
 
 void dStage_c::drawMap(mMtx_c *mtx, int param) {
diff --git a/src/d/d_tag_processor.cpp b/src/d/d_tag_processor.cpp
index bad5969e..17510bbe 100644
--- a/src/d/d_tag_processor.cpp
+++ b/src/d/d_tag_processor.cpp
@@ -23,7 +23,6 @@
 #include "nw4r/ut/ut_TextWriterBase.h"
 #include "sized_string.h"
 #include "toBeSorted/file_manager.h"
-#include "toBeSorted/music_mgrs.h"
 
 #include <libc.h>
 
diff --git a/src/d/lyt/msg_window/d_lyt_msg_window.cpp b/src/d/lyt/msg_window/d_lyt_msg_window.cpp
index 89e027a5..a7444bf5 100644
--- a/src/d/lyt/msg_window/d_lyt_msg_window.cpp
+++ b/src/d/lyt/msg_window/d_lyt_msg_window.cpp
@@ -28,6 +28,7 @@
 // clang-format on
 
 #include "d/d_gfx.h"
+#include "d/snd/d_snd_player_mgr.h"
 #include "d/snd/d_snd_small_effect_mgr.h"
 #include "f/f_base.h"
 #include "m/m_fader_base.h"
@@ -37,7 +38,6 @@
 #include "toBeSorted/d_d3d.h"
 #include "toBeSorted/event_manager.h"
 #include "toBeSorted/fi_context.h"
-#include "toBeSorted/music_mgrs.h"
 #include "toBeSorted/other_sound_stuff.h"
 
 #include <cstring>
@@ -345,7 +345,7 @@ void dLytMsgWindow_c::initializeState_WaitKeyChangePage0() {
     if (field_0x811 != 0) {
         field_0x812 = 1;
     } else if (field_0x814 == 0) {
-        fn_8035E860(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->enterMsgWait();
     }
 }
 void dLytMsgWindow_c::executeState_WaitKeyChangePage0() {
@@ -360,7 +360,7 @@ void dLytMsgWindow_c::executeState_WaitKeyChangePage0() {
             allowChange = true;
         }
     } else if (dPad::getDownTrigA() || fn_8011A5D0()) {
-        fn_8035E880(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->leaveMsgWait();
         allowChange = true;
     }
 
@@ -403,7 +403,7 @@ void dLytMsgWindow_c::initializeState_WaitKeyMsgEnd0() {
     if (field_0x811 != 0) {
         field_0x812 = 1;
     } else if (mpTagProcessor->getField_0x90E() == 0 && field_0x814 == 0) {
-        fn_8035E860(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->enterMsgWait();
     }
 }
 void dLytMsgWindow_c::executeState_WaitKeyMsgEnd0() {
@@ -420,7 +420,7 @@ void dLytMsgWindow_c::executeState_WaitKeyMsgEnd0() {
             allowChange = true;
         }
     } else if (dPad::getDownTrigA() || fn_8011A5D0()) {
-        fn_8035E880(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->leaveMsgWait();
         allowChange = true;
     }
 
@@ -441,7 +441,7 @@ void dLytMsgWindow_c::executeState_WaitKeyMsgEnd0() {
         }
         field_0x810 = 0;
     } else {
-        fn_8035E820(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->unsetMsgActor();
         if (mpTagProcessor->getField_0x90E() != 0) {
             mStateMgr.changeState(StateID_WaitKeySelectQuestion);
         } else {
@@ -465,7 +465,7 @@ void dLytMsgWindow_c::executeState_WaitKeyMsgEnd1() {
             }
             field_0x810 = 0;
         } else {
-            fn_8035E820(BGM_MGR);
+            dSndPlayerMgr_c::GetInstance()->unsetMsgActor();
             if (mpTagProcessor->getField_0x90E() != 0) {
                 mStateMgr.changeState(StateID_WaitKeySelectQuestion);
             } else if (field_0x817 == 0) {
diff --git a/src/d/lyt/msg_window/d_lyt_msg_window_select_btn.cpp b/src/d/lyt/msg_window/d_lyt_msg_window_select_btn.cpp
index e4973458..23b4ce88 100644
--- a/src/d/lyt/msg_window/d_lyt_msg_window_select_btn.cpp
+++ b/src/d/lyt/msg_window/d_lyt_msg_window_select_btn.cpp
@@ -4,8 +4,8 @@
 #include "d/d_pad.h"
 #include "d/d_pad_nav.h"
 #include "d/lyt/d2d.h"
+#include "d/snd/d_snd_player_mgr.h"
 #include "d/snd/d_snd_small_effect_mgr.h"
-#include "toBeSorted/music_mgrs.h"
 
 STATE_DEFINE(dLytMsgWindowSelectBtnParts_c, Wait);
 STATE_DEFINE(dLytMsgWindowSelectBtnParts_c, On);
@@ -302,7 +302,7 @@ void dLytMsgWindowSelectBtn_c::finalizeState_In() {
 void dLytMsgWindowSelectBtn_c::initializeState_WaitSelect() {
     if (field_0x9D0 == 0) {
         field_0x9D0 = true;
-        fn_8035E860(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->enterMsgWait();
     }
 
     mBtnHelper.fn_8011C970();
@@ -340,7 +340,7 @@ void dLytMsgWindowSelectBtn_c::executeState_WaitSelect() {
         } else {
             dSndSmallEffectMgr_c::GetInstance()->playSound(SE_S_TALK_CURSOR_OK);
         }
-        fn_8035E880(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->leaveMsgWait();
     } else if (dPad::getDownTrigB()) {
         f32 f = mBtnHelper.fn_8011D690(field_0x9BC);
         // TODO
@@ -353,7 +353,7 @@ void dLytMsgWindowSelectBtn_c::executeState_WaitSelect() {
         } else {
             dSndSmallEffectMgr_c::GetInstance()->playSound(SE_S_TALK_CURSOR_OK);
         }
-        fn_8035E880(BGM_MGR);
+        dSndPlayerMgr_c::GetInstance()->leaveMsgWait();
     }
 }
 void dLytMsgWindowSelectBtn_c::finalizeState_WaitSelect() {}
diff --git a/src/d/snd/d_snd_bgm_mgr.cpp b/src/d/snd/d_snd_bgm_mgr.cpp
index a972531c..04e206b2 100644
--- a/src/d/snd/d_snd_bgm_mgr.cpp
+++ b/src/d/snd/d_snd_bgm_mgr.cpp
@@ -155,6 +155,10 @@ void dSndBgmMgr_c::checkForPrepareStoppedBgmSound(u32 stoppedSoundId) {
     }
 }
 
+bool dSndBgmMgr_c::beginBgmBattleMainLoop() {
+    return getBgmBattleSound()->startMainBattleLoop();
+}
+
 bool dSndBgmMgr_c::beginBgmBattleRoom() {
     if (isBgmHandleIdxPlayingSoundId(4, BGM_BATTLE_ROOM_MAIN)) {
         return false;
@@ -355,6 +359,10 @@ dSndBgmSound_c *dSndBgmMgr_c::findIdleBgmSoundHandle() {
     return nullptr;
 }
 
+dSndBgmBattleSound_c *dSndBgmMgr_c::getBgmBattleSound() {
+    return static_cast<dSndBgmBattleSound_c *>(mBgmSounds[4]);
+}
+
 void dSndBgmMgr_c::addToBgmSoundList(BgmSoundList_e list, dSndBgmSound_c *sound) {
     if (list < BGM_LIST_MAX && sound != nullptr) {
         removeFromAllBgmSoundLists(sound);
diff --git a/src/d/snd/d_snd_bgm_sound.cpp b/src/d/snd/d_snd_bgm_sound.cpp
index 60a717bc..138c0e40 100644
--- a/src/d/snd/d_snd_bgm_sound.cpp
+++ b/src/d/snd/d_snd_bgm_sound.cpp
@@ -263,7 +263,7 @@ nw4r::snd::SoundStartable::StartResult dSndBgmSound_c::prepareSound(u32 soundId,
         if (isPreparing()) {
             forceStop();
         } else {
-            fn_80372920(FANFARE_SOUND_MGR);
+            dSndBgmMgr_c::GetInstance()->cullTooManyPreparingSounds();
         }
     }
 
diff --git a/src/d/snd/d_snd_sound.cpp b/src/d/snd/d_snd_sound.cpp
index 7e51e683..41246acb 100644
--- a/src/d/snd/d_snd_sound.cpp
+++ b/src/d/snd/d_snd_sound.cpp
@@ -342,7 +342,7 @@ nw4r::snd::SoundStartable::StartResult dSndSound_c::prepareSound(u32 soundId, u3
         if (isPreparing()) {
             forceStop();
         } else {
-            fn_80372920(FANFARE_SOUND_MGR);
+            dSndBgmMgr_c::GetInstance()->cullTooManyPreparingSounds();
         }
     }
 
diff --git a/src/d/snd/d_snd_source_mgr.cpp b/src/d/snd/d_snd_source_mgr.cpp
index 6b214a7b..9a391372 100644
--- a/src/d/snd/d_snd_source_mgr.cpp
+++ b/src/d/snd/d_snd_source_mgr.cpp
@@ -406,6 +406,25 @@ void dSndSourceMgr_c::calcEnemyObjVolume() {
     }
 }
 
+void dSndSourceMgr_c::setMutedFromFader(bool muteFlag) {
+    for (dSoundSource_c *it = getAllSourcesFirst(); it != nullptr; it = getAllSourcesNext(it)) {
+        s32 sourceType = it->getSourceType();
+        switch (sourceType) {
+            case SND_SOURCE_PLAYER:
+            case SND_SOURCE_PLAYER_HEAD:
+                break;
+            default:
+                it->setField0x101(muteFlag);
+                break;
+        }
+    }
+    if (muteFlag) {
+        dSndControlPlayerMgr_c::GetInstance()->muteScenePlayers(30);
+    } else {
+        dSndControlPlayerMgr_c::GetInstance()->unmuteScenePlayers(30);
+    }
+}
+
 dSndSourceGroup_c *dSndSourceMgr_c::getGroup(s32 sourceType, dAcBase_c *actor, const char *name, const char *origName, u8 subtype) {
     dSndSourceGroup_c *group = getActiveGroupForName(name);
     if (group != nullptr) {