Actually fix the music sharing its volume with the soundeffects

P3D/Resources/Sound/MusicManager.vb

@@ -94,8 +94,8 @@ Public Class MusicManager
     Private Shared _isFadingIn As Boolean = False
     ' NAudio properties
     Public Shared outputDevice As WaveOutEvent
-    Public Shared audioFile As VorbisWaveReader
-    Public Shared _loop As WaveStream
+	Public Shared audioFile As WaveChannel32
+	Public Shared _loop As WaveStream
 
     Public Shared Property MasterVolume As Single = 1.0F
     Public Shared ReadOnly Property CurrentSong As SongContainer
@@ -271,9 +271,9 @@ Public Class MusicManager
 
     Public Shared Sub UpdateVolume()
         _lastVolume = Volume * MasterVolume
-        If Not outputDevice Is Nothing Then
-            outputDevice.Volume = Volume * MasterVolume
-        End If
+		If Not audioFile Is Nothing Then
+			audioFile.Volume = Volume * MasterVolume
+		End If
     End Sub
 
     Public Shared Sub PauseForSound(ByVal sound As SoundEffect)
@@ -310,32 +310,32 @@ Public Class MusicManager
 
     End Sub
 
-    Private Shared Sub Play(song As SongContainer)
-        If Not song Is Nothing Then
-            Logger.Debug($"Play song [{song.Name}]")
-            If Not outputDevice Is Nothing Then
-                outputDevice.Dispose()
-            End If
-            outputDevice = New WaveOutEvent()
-            audioFile = New VorbisWaveReader(song.Song)
-            _loop = New LoopStream(audioFile, _isLooping)
-            outputDevice.Init(_loop)
-            If Paused = False Then
-                outputDevice.Play()
-            End If
-            outputDevice.Volume = Volume * MasterVolume
-            _currentSongExists = True
-            _currentSongName = song.Name
-            _currentSong = song
-        Else
-            _currentSongExists = False
-            _currentSongName = NO_MUSIC
-            _currentSong = Nothing
-        End If
+	Private Shared Sub Play(song As SongContainer)
+		If Not song Is Nothing Then
+			Logger.Debug($"Play song [{song.Name}]")
+			If Not outputDevice Is Nothing Then
+				outputDevice.Dispose()
+			End If
+			outputDevice = New WaveOutEvent()
+			audioFile = New NAudio.Wave.WaveChannel32(New VorbisWaveReader(song.Song))
+			_loop = New LoopStream(audioFile, _isLooping)
+			outputDevice.Init(_loop)
+			If Paused = False Then
+				outputDevice.Play()
+			End If
+			audioFile.Volume = Volume * MasterVolume
+			_currentSongExists = True
+			_currentSongName = song.Name
+			_currentSong = song
+		Else
+			_currentSongExists = False
+			_currentSongName = NO_MUSIC
+			_currentSong = Nothing
+		End If
 
-    End Sub
+	End Sub
 
-    Private Shared Sub FadeInto(song As SongContainer, fadeSpeed As Single)
+	Private Shared Sub FadeInto(song As SongContainer, fadeSpeed As Single)
         _isFadingOut = True
         If Not song Is Nothing Then
             _nextSong = song.Name