Problema com Sound. Problema do livro Use a cabeça

import javax.sound.midi.MidiEvent;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.Sequence;
import javax.sound.midi.Sequencer;
import javax.sound.midi.ShortMessage;
import javax.sound.midi.Track;
public class MiniMusicCmdLine {
	public static void main(String[] args) {
		MiniMusicCmdLine mini = new MiniMusicCmdLine();
		if(args.length < 2){
			System.out.println("Não se esqueça dos argumentos do instrumento");
		}else {
			int instrument = Integer.parseInt(args[0]);
			int note = Integer.parseInt(args[1]);
			mini.play(instrument, note);
		}
	}
	public static void play(int instrument, int note) {
		try{
			Sequencer player = MidiSystem.getSequencer();
			player.open();
			Sequence seq = new Sequence(Sequence.PPQ,4);
			Track track = seq.createTrack();
			
			MidiEvent event = null;
			
			ShortMessage first = new ShortMessage();
			first.setMessage(192,1,instrument,0);
			MidiEvent changeInstrument = new MidiEvent(first, 1);
			track.add(changeInstrument);
			
			ShortMessage a = new ShortMessage();
			first.setMessage(144,1,note,100);
			MidiEvent noteOn = new MidiEvent(a, 1);
			track.add(noteOn);
			
			ShortMessage b = new ShortMessage();
			first.setMessage(128,1,note,100);
			MidiEvent noteOff = new MidiEvent(b, 16);
			track.add(noteOff);
			player.setSequence(seq);
			player.start();
			
		}catch (Exception ex) {ex.printStackTrace();}
	}
}