eXCEPTION

    import java.util.Queue;
    import java.util.LinkedList;
    import java.io.File;
    import javax.sound.midi.*;

    public class MidiPlayer{
        final Sequencer seq;
        private Queue<String> song_queue;

        public MidiPlayer (Queue<String> song_queue) {
            Sequencer seq = null;
            try{
                seq = MidiSystem.getSequencer();
                seq.addMetaEventListener( new MetaEventListener()
                {
                    public void meta(MetaMessage msg){
                        if(msg.getType()==0x2F)
                        {
                            MidiPlayer.this.play_next_song();
                        }
                    }
                });
            }
            catch (Exception e){}
            this.seq=seq;
            this.song_queue=song_queue;

        }

        private void play_next_song(){
            String next_song = song_queue.remove();
            System.out.printf("Creating sequence for %s", next_song);
            try{
                Sequence sequence = MidiSystem.getSequence(new File(next_song));
                this.seq.setSequence(sequence);
                System.out.println("Playing");
                this.seq.start();}
            catch(Exception e){
                System.out.println("Error!");
                e.printStackTrace();
                play_next_song();
            }
        }
        public void start_playing () {
            try{this.seq.open();}catch(Exception e){}
            System.out.println("Starting to play");
            this.play_next_song();
        }
        public static void main(String[] args){
            Queue<String> song_queue = new LinkedList<String>();
            MidiPlayer.add_midi_files(song_queue,new File( "C:\\Users\\Kyle\\Desktop\\clieent\\Client\\cache\\Music\\runescape-7th realm.mid"));
            System.out.println("Songs added!");
            MidiPlayer player = new MidiPlayer(song_queue);
            player.start_playing();
        };

        public static void add_midi_files(Queue<String> queue, File top_dir){
            try {
                for (File f: top_dir.listFiles())
                    if (f.isDirectory())
                        add_midi_files(queue, f);
                    else if (f.isFile() && f.getName().matches(".*midi?"))
                    {
                        System.out.println(f);
                        queue.add(f.getAbsolutePath());
                    }
                    else
                    {}
                //System.out.printf("%s doesn't match!", f.getName());
            } catch (NullPointerException e) {
                e.printStackTrace();
            }
        }
    }