public ISimpleDrumSequencerService AddInstrument(string instrumentName, string instrumentNameShort, Stream soundFileStream) { var audioPlayer = CrossSimpleAudioPlayer.CreateSimpleAudioPlayer(); audioPlayer.Load(soundFileStream); SequencerLanes.Add( new SequencerLaneModel { InstrumentName = instrumentName, InstrumentNameShort = instrumentNameShort, NumberOfSteps = 16, AudioPlayer = audioPlayer }); return(this); }