diff --git a/src/OpenSHC/Audio/mss/SoundSystem/setStreamAndSampleVolumeUnk.cpp b/src/OpenSHC/Audio/mss/SoundSystem/setStreamAndSampleVolumeUnk.cpp
new file mode 100644
index 0000000..44485ed
--- /dev/null
+++ b/src/OpenSHC/Audio/mss/SoundSystem/setStreamAndSampleVolumeUnk.cpp
@@ -0,0 +1,29 @@
+#include "OpenSHC/Audio/mss/SoundSystem.func.hpp"
+
+namespace OpenSHC {
+namespace Audio {
+    namespace MSS {
+
+        // NOTE:
+        // Quick test showed usage for SND_STR_MUSIC (0) and SND_STR_SFX_2Unk (2), but this might be coincidental
+        // Test showed usage mostly for fading music out, during gameplay or during menu switches
+
+        // FUNCTION: STRONGHOLDCRUSADER 0x00479AF0
+        void SoundSystem::setStreamAndSampleVolumeUnk(SHC_SoundStreamInt sndStreamIndex, int volumeParam)
+        {
+            if (!(this->waveOutOpenUnk_0x8 && this->streamActiveUnk_0x20[sndStreamIndex])) {
+                return;
+            }
+
+            if (sndStreamIndex == enums::SND_STR_MUSIC) {
+                AIL_set_sample_volume(this->musicSampleUnk_0x170, (this->streamVolume[0] * volumeParam) / 100);
+            } else {
+                AIL_set_stream_volume(
+                    this->stream_0xc[sndStreamIndex], (this->streamVolume[sndStreamIndex] * volumeParam) / 100);
+            }
+            this->streamFileVolumeCurrentUnk_0x5c[sndStreamIndex] = volumeParam;
+        }
+
+    }
+}
+}
diff --git a/status/addresses-SHC-3BB0A8C1.txt b/status/addresses-SHC-3BB0A8C1.txt
index f1a6853..050fc9d 100644
--- a/status/addresses-SHC-3BB0A8C1.txt
+++ b/status/addresses-SHC-3BB0A8C1.txt
@@ -10883,7 +10883,7 @@ SHC_3BB0A8C1_0x00479790 | 0.0% | Pending
 SHC_3BB0A8C1_0x004799A0 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479A60 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479AB0 | 0.0% | Pending
-SHC_3BB0A8C1_0x00479AF0 | 0.0% | Pending
+SHC_3BB0A8C1_0x00479AF0 | 100.0% | Reimplemented
 SHC_3BB0A8C1_0x00479B70 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479C20 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479C80 | 0.0% | Pending