     public convenience init(musicTrack: MusicTrack, sequencer: AKSequencer) {
         self.init()
         internalMusicTrack = musicTrack
-        trackPtr = UnsafeMutablePointer<MusicTrack>(internalMusicTrack)
+        trackPointer = UnsafeMutablePointer<MusicTrack>(internalMusicTrack)
         self.sequencer = sequencer
     }
     

    
    /// Debug by showing the track pointer.
    public func debug() {
        CAShow(trackPtr)
    }
}

    /// The representation of Apple's underlying music track
    public var internalMusicTrack: MusicTrack = nil
    
    /// Sequencer this music track is part of
    public var sequencer = AKSequencer()
    
    /// Pointer to the Music Track
    public var trackPointer: UnsafeMutablePointer<MusicTrack>
    
    /// Total duration of the music track
    public var length: MusicTimeStamp {
