public void registerQuant(Quanter callback){
		callbacks.Add (callback);
	}
	public void TriggerInXBeats(Quanter callback, int beats){
		beatWaitOneOffs.Add (callback, barCounter + beats);
	}
	public void registerBarOneOff(Quanter callback){
		barOneOffs.Add (callback);
	}
	public void TriggerInXBars(Quanter callback, int bars){
		barWaitOneOffs.Add (callback, barCounter + bars * 4);
	}
	public void registerBeatOneOff(Quanter callback){
		oneOffs.Add (callback);
	}