[Ch13] Formatting and cleanup of MiniMusicCmdLine

      int note = Integer.parseInt(args[1]);

      mini.play(instrument, note);

    }

   } // close main

  }

  public 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);

      b.setMessage(128, 1, note, 100);

      MidiEvent noteOff = new MidiEvent(b, 16);

      track.add(noteOff);

      player.setSequence(seq);

      player.start();

      } catch (Exception ex) {ex.printStackTrace();}

   } // close play

} // close class

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    } catch (Exception ex) {

      ex.printStackTrace();

    }

  }

}

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