audio disposal is friggin haunted man

src/Audio/AudioDevice.cs

@@ -292,15 +292,30 @@ namespace MoonWorks.Audio
 				{
 					Thread.Join();
 
-					// dispose all voices first
+					// dispose all source voices first
 					foreach (var resource in resources)
 					{
-						if (resource.Target is Voice voice)
+						if (resource.Target is SourceVoice voice)
 						{
 							voice.Dispose();
 						}
 					}
 
+					// dispose all submix voices except the faux mastering voice
+					foreach (var resource in resources)
+					{
+						if (resource.Target is SubmixVoice voice && voice != fauxMasteringVoice)
+						{
+							voice.Dispose();
+						}
+					}
+
+					// dispose the faux mastering voice
+					fauxMasteringVoice.Dispose();
+
+					// dispose the true mastering voice
+					FAudio.FAudioVoice_DestroyVoice(trueMasteringVoice);
+
 					// destroy all other audio resources
 					foreach (var resource in resources)
 					{
@@ -313,7 +328,6 @@ namespace MoonWorks.Audio
 					resources.Clear();
 				}
 
-				FAudio.FAudioVoice_DestroyVoice(trueMasteringVoice);
 				FAudio.FAudio_Release(Handle);
 
 				IsDisposed = true;

src/Game.cs

@@ -109,9 +109,6 @@ namespace MoonWorks
 			Logger.LogInfo("Cleaning up game...");
 			Destroy();
 
-			Logger.LogInfo("Closing audio thread...");
-			AudioDevice.Dispose();
-
 			Logger.LogInfo("Unclaiming window...");
 			GraphicsDevice.UnclaimWindow(MainWindow);
 
@@ -121,6 +118,9 @@ namespace MoonWorks
 			Logger.LogInfo("Disposing graphics device...");
 			GraphicsDevice.Dispose();
 
+			Logger.LogInfo("Closing audio thread...");
+			AudioDevice.Dispose();
+
 			SDL.SDL_Quit();
 		}