MIDI. Load and play MIDI files with Java code in Processing 3. HELP!!!!

I’m trying to play a midi file, using java classes

I don’t get any errors, but the file doesn’t play

Here is the processing code:

    import javax.sound.midi.*;
    import java.io.*;

    Sequencer playMidi;
    File selection;

    void setup()
    {
      size(200, 200);

      try
      {
        File selection = new File("Mozart_Coda.mid");
        playMidi = MidiSystem.getSequencer();
        playMidi.open();
        Sequence fileSequence = MidiSystem.getSequence(selection);
        playMidi.setSequence(fileSequence);
        playMidi.start();
      }catch(Exception e)
      {
        println("FILE NOT FOUND!!");
      }
    }

    /*void draw()
    {
    }*/

I keep getting a ‘FILE NOT FOUND’ in the console message. The file doesn't play. :( Please help.