public String toString()
	{
		StringBuilder sb = new StringBuilder();
		sb.append("Midi File: "+midi.getName()+"\n");
		for(int i = FingerTree.start_index ; i <= FingerTree.end_index ; i++)
		{
			sb.append(Song.getNoteName(tones.get(i))+Song.getOctave(tones.get(i))+"  ");
		}
		return sb.toString();
	}