class Musician {
  // The default Musician class plays notes using its PROGRAM & CONTROLLER.
  int programNumber ; // PROGRAM NUMBER is the instrument.
  // INSTRUMENT FROM http://midi.teragonaudio.com/tutr/gm.htm
  int controlEffectNumber ; // CONTROLLER for special effects.
  // EFFECT FROM http://midi.teragonaudio.com/tech/midispec.htm
  int controlEffectData2 ; // strength of effect, 0..127
  // Updated 1/5/2020 to pass the MIDIchannel from draw() logic, since
  // the client uses only 1 channel at a time, which can change,
  // stored in global variable oscClientMidiChan, and passed here
  // via MIDIchannel parameter in playNote.
  Musician(int programNumber, int controlEffectNumber, int controlEffectData2) {
    this.programNumber = programNumber ;
    this.controlEffectNumber = controlEffectNumber ;
    this.controlEffectData2 = controlEffectData2 ;
    //try {
      // Since there is only 1 Musician per MIDIchannel, just set the instrument
      // PROGRAM for that MIDIchannel in this constructor.
      //ShortMessage patchMessage = new ShortMessage() ;
      //patchMessage.setMessage(ShortMessage.PROGRAM_CHANGE, MIDIchannel, programNumber, 0);
      //receiver.send(patchMessage, -1L);  // send it now
    //} catch (InvalidMidiDataException ix) {
      //System.err.println("InvalidMidiDataException: " + ix.getMessage());
    //}
  }
  // Play or silence the note parameter. Play when isSounding is true.
  // Parameter isHighlighted when true means to visually highlight the Note.
  // When parameter isSounding is also true, pop the graphic to 3D.
  // Visual display and NOTE_ON NOTE_OFF are delegated to Note.display().
  // MIDIchannel added 1/5/2019, see comments above.
  void playNote(Note note, boolean isHighlighted, boolean isSounding,
      int MIDIchannel) {
    //try {
      //if (isSounding) {
        //ShortMessage controllerOn = new ShortMessage() ;
        //controllerOn.setMessage(ShortMessage.CONTROL_CHANGE, MIDIchannel,
          //controlEffectNumber, controlEffectData2);
        //receiver.send(controllerOn, -1L);  // send it now
      //}
      if (MIDIchannel >= 0 && MIDIchannel < 16) {
        note.display(isHighlighted, isSounding, MIDIchannel);
      }
    //} catch (InvalidMidiDataException ix) {
      //System.err.println("InvalidMidiDataException: " + ix.getMessage());
    //}
  } 
  // Increase or decrease the CONTROL_CHANGE effect level.
  void setEffectLevel(int level) {
    this.controlEffectData2 = level ;
  }
}