diff --git a/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundID.cpp b/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundID.cpp
index ed8bdd2..679555e 100644
--- a/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundID.cpp
+++ b/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundID.cpp
@@ -14,10 +14,12 @@ namespace Audio {
         // FUNCTION: STRONGHOLDCRUSADER 0x0047A1B0
         void SoundSystem::setupVolumeAndSoundID(eMusicIDsInt soundID)
         {
-            // NOTE: Is this certain that these ids fit to the original game?
+            // Indicator to handle as mission sound (?)
             if (soundID == DE::SHCDE::MUSIC_TUNE_NARR1) {
                 // missionNumber1to20 might be unsigned, but found signs inconclusive
                 if (DAT_GameCore::ptr->missionNumber1to20 - 1U <= 19) {
+                    // This makes the soundID "missionNumber1to20 + 46", which would use the enums 47 to 66.
+                    // These are only filled by 4 enums for 4 mission intros, so this space could be made for 20.
                     soundID = DAT_GameCore::ptr->missionNumber1to20 + 46;
                 } else {
                     soundID = DE::SHCDE::MUSIC_TUNE_OFF;
@@ -30,6 +32,7 @@ namespace Audio {
             this->currentSoundID_0x3278 = soundID;
             int const fileVolume = MACRO_CALL_MEMBER(SFX::SFXState_Func::getSoundVolumeForFilename, DAT_SFXState::ptr)(
                 DAT_SFXDefinedData::ptr->DAT_SFX_Pointers[soundID].musicFile);
+            // 0x7f is the maximum volume of the MSS32 volume API.
             this->currentSoundIDVolumeUnk_0x327c = (fileVolume * 100) / 0x7f;
             this->mbr_0x3280 = 0;
         }
diff --git a/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundIDWithMultiplier.cpp b/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundIDWithMultiplier.cpp
new file mode 100644
index 0000000..521caf8
--- /dev/null
+++ b/src/OpenSHC/Audio/mss/SoundSystem/setupVolumeAndSoundIDWithMultiplier.cpp
@@ -0,0 +1,42 @@
+#include "../SoundSystem.func.hpp"
+
+#include "OpenSHC/Audio/SFX/SFXState.func.hpp"
+#include "OpenSHC/DE/SHCDE/eMusicIDs.hpp"
+
+#include "OpenSHC/Globals/DAT_GameCore.hpp"
+#include "OpenSHC/Globals/DAT_SFXDefinedData.hpp"
+#include "OpenSHC/Globals/DAT_SFXState.hpp"
+
+namespace OpenSHC {
+namespace Audio {
+    namespace MSS {
+
+        // FUNCTION: STRONGHOLDCRUSADER 0x0047A220
+        void SoundSystem::setupVolumeAndSoundIDWithMultiplier(eMusicIDsInt soundID, int soundMultiplier)
+        {
+            // Indicator to handle as mission sound (?)
+            if (soundID == DE::SHCDE::MUSIC_TUNE_NARR1) {
+                // missionNumber1to20 might be unsigned, but found signs inconclusive
+                if (DAT_GameCore::ptr->missionNumber1to20 - 1U <= 19) {
+                    // This makes the soundID "missionNumber1to20 + 46", which would use the enums 47 to 66.
+                    // These are only filled by 4 enums for 4 mission intros, so this space could be made for 20.
+                    soundID = DAT_GameCore::ptr->missionNumber1to20 + 46;
+                } else {
+                    soundID = DE::SHCDE::MUSIC_TUNE_OFF;
+                }
+            }
+
+            if (soundID == this->currentSoundID_0x3278) {
+                return;
+            }
+            this->currentSoundID_0x3278 = soundID;
+            int const fileVolume = MACRO_CALL_MEMBER(SFX::SFXState_Func::getSoundVolumeForFilename, DAT_SFXState::ptr)(
+                DAT_SFXDefinedData::ptr->DAT_SFX_Pointers[soundID].musicFile);
+            // 0x7f is the maximum volume of the MSS32 volume API.
+            this->currentSoundIDVolumeUnk_0x327c = (fileVolume * soundMultiplier) / 0x7f;
+            this->mbr_0x3280 = 0;
+        }
+
+    }
+}
+}
diff --git a/status/addresses-SHC-3BB0A8C1.txt b/status/addresses-SHC-3BB0A8C1.txt
index d812552..8127ead 100644
--- a/status/addresses-SHC-3BB0A8C1.txt
+++ b/status/addresses-SHC-3BB0A8C1.txt
@@ -10896,7 +10896,7 @@ SHC_3BB0A8C1_0x00479FC0 | 100.0% | Reimplemented
 SHC_3BB0A8C1_0x0047A080 | 0.0% | Pending
 SHC_3BB0A8C1_0x0047A130 | 0.0% | Pending
 SHC_3BB0A8C1_0x0047A1B0 | 100.0% | Reimplemented
-SHC_3BB0A8C1_0x0047A220 | 0.0% | Pending
+SHC_3BB0A8C1_0x0047A220 | 100.0% | Reimplemented
 SHC_3BB0A8C1_0x0047A290 | 100.0% | Reimplemented
 SHC_3BB0A8C1_0x0047A2A0 | 0.0% | Pending
 SHC_3BB0A8C1_0x0047A310 | 0.0% | Pending