PlayMidiAudio.java

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

import javax.sound.midi.MidiSystem;
import javax.sound.midi.Sequencer;

public class PlayMidiAudio {

		public static void main(String[] args) throws Exception {

					// Obtains the default Sequencer connected to a default device.
					Sequencer sequencer = MidiSystem.getSequencer();

							// Opens the device, indicating that it should now acquire any
						    // system resources it requires and become operational.
							sequencer.open();

								    // create a stream from a file
								    InputStream is = new BufferedInputStream(new FileInputStream(new File("midifile.mid")));

									 	    // Sets the current sequence on which the sequencer operates.
									 	    // The stream must point to MIDI file data.
									 	    sequencer.setSequence(is);

											 	    // Starts playback of the MIDI data in the currently loaded sequence.
											 	    sequencer.start();

													 	}

}