diff --git a/src/OpenSHC/Audio/mss/SoundSystem/isSampleOrStreamPlaying.cpp b/src/OpenSHC/Audio/mss/SoundSystem/isSampleOrStreamPlaying.cpp
new file mode 100644
index 0000000..5e856ef
--- /dev/null
+++ b/src/OpenSHC/Audio/mss/SoundSystem/isSampleOrStreamPlaying.cpp
@@ -0,0 +1,29 @@
+#include "OpenSHC/Audio/MSS/SoundSystem.hpp"
+
+namespace OpenSHC {
+namespace Audio {
+    namespace MSS {
+
+        // FUNCTION: STRONGHOLDCRUSADER 0x00479A60
+        BOOLEnum SoundSystem::isSampleOrStreamPlaying(SHC_SoundStreamInt streamIndex)
+        {
+            if (!(this->waveOutOpenUnk_0x8 && this->streamActiveUnk_0x20[streamIndex])) {
+                return false;
+            }
+
+            if (streamIndex == enums::SND_STR_MUSIC) {
+                if (AIL_sample_status(this->musicSampleUnk_0x170) == SMP_PLAYING) {
+                    return true;
+                }
+            } else {
+                HSTREAM const stream = this->stream_0xc[streamIndex];
+                if (stream && AIL_stream_status(stream) == SMP_PLAYING) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+    }
+}
+}
diff --git a/status/addresses-SHC-3BB0A8C1.txt b/status/addresses-SHC-3BB0A8C1.txt
index f1a6853..5ce0a8b 100644
--- a/status/addresses-SHC-3BB0A8C1.txt
+++ b/status/addresses-SHC-3BB0A8C1.txt
@@ -10881,7 +10881,7 @@ SHC_3BB0A8C1_0x00479400 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479540 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479790 | 0.0% | Pending
 SHC_3BB0A8C1_0x004799A0 | 0.0% | Pending
-SHC_3BB0A8C1_0x00479A60 | 0.0% | Pending
+SHC_3BB0A8C1_0x00479A60 | 100.0% | Reimplemented
 SHC_3BB0A8C1_0x00479AB0 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479AF0 | 0.0% | Pending
 SHC_3BB0A8C1_0x00479B70 | 0.0% | Pending