     /// - parameter musicTrack: An Apple Music Track
     ///
     public init() {
-        trackPtr = UnsafeMutablePointer<MusicTrack>(internalMusicTrack)
+        trackPointer = UnsafeMutablePointer<MusicTrack>(internalMusicTrack)
     }
     
     /// Initialize with a music track

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

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