import javax.media.sound.midi.*;
public class K2{
  public static void main(String argumendid[]) throws Exception{
//    Sequencer secuencer=MidiSystem.getSequencer(null);
    Synthesizer synthesizer=MidiSystem.getSynthesizer(null);
    synthesizer.open();
    Instrument pill=synthesizer.getDefaultSoundbank().
                 getInstruments()[0];
    synthesizer.loadInstrument(pill);
    MidiChannel kanal=synthesizer.getChannels()[0];
    for(int i=40; i<120; i++){
      kanal.noteOn(i, 60);
      Thread.sleep(200);
      kanal.noteOff(i);
    }
  }
}