public void makeTracks(int[] list) {
		for (int i = 0; i < list.length; i++) {
			int key = list[i];
			if (key != 0) {
				track.add(makeEvent(144, 9, key, 100, i));
				track.add(makeEvent(128, 9, key, 100, i + 1));
			}
		}
	}