public void AddMetronome(int start, int length)
{
if (_metronomeTrack == -1)
{
_midiFile.CreateTrack();
_metronomeTrack = _midiFile.Tracks.Count - 1;
}
AddNote(_metronomeTrack, start, length, DefaultMetronomeKey, DynamicValue.F, MidiUtils.PercussionChannel);
}