diff --git a/src/audio/audio.c b/src/audio/audio.c
index 54bdd956d2..ea9d9fa39f 100644
--- a/src/audio/audio.c
+++ b/src/audio/audio.c
@@ -1836,35 +1836,6 @@ void stop_vehicle_sounds()
 	}
 }
 
-/**
-*  Update zoom based volume attenuation for ride music and clear music list
-*  rct2: 0x006BC348
-*/
-void sub_6BC348()
-{
-	RCT2_GLOBAL(0x009AF42C, rct_music_info*) = &RCT2_GLOBAL(0x009AF430, rct_music_info);
-	RCT2_GLOBAL(0x00F438A4, rct_viewport*) = (rct_viewport*)-1;
-	rct_window* window = RCT2_GLOBAL(RCT2_ADDRESS_NEW_WINDOW_PTR, rct_window*);
-	while (1) {
-		window--;
-		if (window < RCT2_ADDRESS(RCT2_ADDRESS_WINDOW_LIST, rct_window)) {
-			break;
-		}
-		if (window->viewport && window->viewport->flags & VIEWPORT_FLAG_SOUND_ON) {
-			RCT2_GLOBAL(0x00F438A4, rct_viewport*) = window->viewport;
-			RCT2_GLOBAL(0x00F438A8, rct_window*) = window;
-			RCT2_GLOBAL(RCT2_ADDRESS_VOLUME_ADJUST_ZOOM, uint8) = 0;
-			if (window->viewport->zoom) {
-				RCT2_GLOBAL(RCT2_ADDRESS_VOLUME_ADJUST_ZOOM, uint8) = 30;
-				if (window->viewport->zoom != 1) {
-					RCT2_GLOBAL(RCT2_ADDRESS_VOLUME_ADJUST_ZOOM, uint8) = 60;
-				}
-			}
-			return;
-		}
-	}
-}
-
 /**
  * 
  *  rct2: 0x006BC3AC
diff --git a/src/audio/audio.h b/src/audio/audio.h
index 5821ce051f..cc91205edc 100644
--- a/src/audio/audio.h
+++ b/src/audio/audio.h
@@ -213,7 +213,6 @@ void audio_close();
 void pause_sounds();
 void unpause_sounds();
 void stop_vehicle_sounds();
-void sub_6BC348();
 void sub_6BC6D8();
 int sub_6BC3AC(sint16 x, sint16 y, sint16 z, uint8 rideIndex, uint16 sampleRate, uint32 position, uint8 *tuneId);
 
diff --git a/src/interface/window.c b/src/interface/window.c
index 53f2602d7c..6fcfe9fbb0 100644
--- a/src/interface/window.c
+++ b/src/interface/window.c
@@ -1792,4 +1792,39 @@ void sub_6EA73F()
 		window_invalidate_pressed_image_buttons(w);
 		RCT2_CALLPROC_X(w->event_handlers[WE_RESIZE], 0, 0, 0, 0, (int)w, 0, 0);
 	}
+}
+
+/**
+ * Update zoom based volume attenuation for ride music and clear music list.
+ *  rct2: 0x006BC348
+ */
+void window_update_viewport_ride_music()
+{
+	rct_viewport *viewport;
+	rct_window *w;
+
+	RCT2_GLOBAL(0x009AF42C, rct_music_info*) = (rct_music_info*)0x009AF430;
+	RCT2_GLOBAL(0x00F438A4, rct_viewport*) = (rct_viewport*)-1;
+
+	for (w = RCT2_LAST_WINDOW; w >= g_window_list; w--) {
+		viewport = w->viewport;
+		if (viewport == NULL || !(viewport->flags & VIEWPORT_FLAG_SOUND_ON))
+			continue;
+
+		RCT2_GLOBAL(0x00F438A4, rct_viewport*) = viewport;
+		RCT2_GLOBAL(0x00F438A8, rct_window*) = w;
+
+		switch (viewport->zoom) {
+		case 0:
+			RCT2_GLOBAL(RCT2_ADDRESS_VOLUME_ADJUST_ZOOM, uint8) = 0;
+			break;
+		case 1:
+			RCT2_GLOBAL(RCT2_ADDRESS_VOLUME_ADJUST_ZOOM, uint8) = 30;
+			break;
+		default:
+			RCT2_GLOBAL(RCT2_ADDRESS_VOLUME_ADJUST_ZOOM, uint8) = 60;
+			break;
+		}
+		break;
+	}
 }
\ No newline at end of file
diff --git a/src/interface/window.h b/src/interface/window.h
index 4fce868807..8b9de08ee3 100644
--- a/src/interface/window.h
+++ b/src/interface/window.h
@@ -463,6 +463,8 @@ void tool_cancel();
 
 void window_close_construction_windows();
 
+void window_update_viewport_ride_music();
+
 // Open window functions
 void window_main_open();
 void window_resize_gui(int width, int height);
diff --git a/src/ride/ride.c b/src/ride/ride.c
index 04a2d95666..202f274d6b 100644
--- a/src/ride/ride.c
+++ b/src/ride/ride.c
@@ -125,7 +125,6 @@ static int ride_get_new_breakdown_problem(rct_ride *ride);
 static void ride_inspection_update(rct_ride *ride);
 static void ride_mechanic_status_update(int rideIndex, int mechanicStatus);
 static void ride_music_update(int rideIndex);
-static void ride_play_music();
 static void ride_prepare_breakdown(int rideIndex, int breakdownReason);
 static void ride_shop_connected(rct_ride* ride, int ride_idx);
 static void ride_spiral_slide_update(rct_ride *ride);
@@ -513,8 +512,6 @@ void ride_update_all()
 	rct_ride *ride;
 	int i;
 
-	// RCT2_CALLPROC_EBPSAFE(0x006ABE4C); return;
-
 	// Remove all rides if certain flags are set (possible scenario editor?)
 	int *esi = (int*)0x9DCE9E;
 	if (esi[0x1BCA] & 2) {
@@ -524,14 +521,13 @@ void ride_update_all()
 		return;
 	}
 
-	// Something related to windows
-	RCT2_CALLPROC_EBPSAFE(0x006BC348);
+	window_update_viewport_ride_music();
 
 	// Update rides
 	FOR_ALL_RIDES(i, ride)
 		ride_update(i);
 
-	ride_play_music();
+	sub_6BC6D8();
 }
 
 /**
@@ -1232,15 +1228,6 @@ static void ride_music_update(int rideIndex)
 	ride->music_position = sub_6BC3AC(x, y, z, rideIndex, sampleRate, ride->music_position, &ride->music_tune_id);
 }
 
-/**
- *
- *  rct2: 0x006BC6D8
- */
-static void ride_play_music()
-{
-	RCT2_CALLPROC_EBPSAFE(0x006BC6D8);
-}
-
 #pragma endregion
 
 #pragma region Measurement functions