i need help about my project. Please Help me...... (leap motion music)

My Program is want to make a game When the leap motion move to the square will be playing music. But now I cannot play the music. So i want to know why and how to fix it. Thanks

Here is my code......

    import com.onformative.leap.*;
    import com.leapmotion.leap.Finger;
    import ddf.minim.*;
    LeapMotionP5 leap;
    Minim minim;
    /////////////////// here is + music
    AudioPlayer Bongo;
    AudioPlayer cello;
    AudioPlayer drumset;
    AudioPlayer flute;
    AudioPlayer Guitar;
    AudioPlayer handbells;
    AudioPlayer harmonica;
    AudioPlayer Harp;
    AudioPlayer marimba;
    AudioPlayer oboe;
    AudioPlayer piano;
    AudioPlayer saxphone;
    AudioPlayer Trombone;
    AudioPlayer trumpet;
    AudioPlayer Tuba;
    AudioPlayer violin;

    void setup()
    {
      size(1280, 720, P3D);
      minim = new Minim(this);
      leap = new LeapMotionP5(this);

      Bongo = minim.loadFile("Bongo.wav");
      cello = minim.loadFile("cello.wav");
      drumset = minim.loadFile("drumset.wav");
      flute = minim.loadFile("flute.wav");
      Guitar = minim.loadFile("Guitar.wav");
      handbells = minim.loadFile("handbells.wav");
      harmonica = minim.loadFile("harmonica.wav");
      Harp = minim.loadFile("Harp.wav");
      marimba = minim.loadFile("marimba.wav");
      oboe = minim.loadFile("oboe.wav");
      piano = minim.loadFile("piano.wav");
      saxphone = minim.loadFile("saxphone.wav");
      Trombone = minim.loadFile("Trombone.wav");
      trumpet = minim.loadFile("trumpet.wav");
      Tuba = minim.loadFile("Tuba.wav");
      violin = minim.loadFile("violin.wav");
    }

    void draw() {
      background(200, 200, 200);
      text("Press r to reset.", 10, 20 );
      fill (255);
      for (Finger f : leap.getFingerList()) {
        PVector fingerPos = leap.getTip(leap.getFinger(2));

        if (fingerPos.x > 100 && fingerPos.x <180 && fingerPos.y > 100 && fingerPos.y < 180) {
          Bongo.play();
          Bongo.rewind( );
        } else
          Bongo.pause();

        if (fingerPos.x > 650 && fingerPos.x <800 && fingerPos.y > 250 && fingerPos.y < 150) {
          cello.play();
          cello.rewind( );
        } else
          cello.pause();

        if (fingerPos.x > 1050 && fingerPos.x <1200 && fingerPos.y > 250 && fingerPos.y < 150) {
          drumset.play();
        } else
          drumset.pause();

        if (fingerPos.x > 1450 && fingerPos.x <1600 && fingerPos.y > 250 && fingerPos.y < 150) {
          flute.play();
        } else
          flute.pause();

        if (fingerPos.x > 250 && fingerPos.x <400 && fingerPos.y > 350 && fingerPos.y < 150) {
          Guitar.play();
        } else
          Guitar.pause();

        if (fingerPos.x > 650 && fingerPos.x <800 && fingerPos.y > 350 && fingerPos.y < 150) {
          handbells.play();
        } else
          handbells.pause();

        if (fingerPos.x > 1050 && fingerPos.x <1200 && fingerPos.y > 350 && fingerPos.y < 150) {
          harmonica.play();
        } else
          harmonica.pause();

        if (fingerPos.x > 1450 && fingerPos.x <1600 && fingerPos.y > 350 && fingerPos.y < 150) {
          Harp.play();
        } else
          Harp.pause();

        if (fingerPos.x > 250 && fingerPos.x <400 && fingerPos.y > 600 && fingerPos.y < 150) {
          marimba.play();
        } else
          marimba.pause();

        if (fingerPos.x > 650 && fingerPos.x <800 && fingerPos.y > 600 && fingerPos.y < 150) {
          oboe.play();
        } else
          oboe.pause();

        if (fingerPos.x > 1050 && fingerPos.x <1200 && fingerPos.y > 600 && fingerPos.y < 150) {
          piano.play();
        } else
          piano.pause();

        if (fingerPos.x > 1450 && fingerPos.x <1600 && fingerPos.y > 600 && fingerPos.y < 150) {
          saxphone.play();
        } else
          saxphone.pause();

        if (fingerPos.x > 250 && fingerPos.x <400 && fingerPos.y > 850 && fingerPos.y < 150) {
          Trombone.play();
        } else
          Trombone.pause();

        if (fingerPos.x > 650 && fingerPos.x <800 && fingerPos.y > 850 && fingerPos.y < 150) {
          trumpet.play();
        } else
          trumpet.pause();

        if (fingerPos.x > 1050 && fingerPos.x <1200 && fingerPos.y > 850 && fingerPos.y < 150) {
          Tuba.play();
        } else
          Tuba.pause();

        if (fingerPos.x > 1450 && fingerPos.x <1600 && fingerPos.y > 850 && fingerPos.y < 150) {
          violin.play();
        } else
          violin.pause();

        stroke(0);
        strokeWeight(5);
        ellipse(fingerPos.x, fingerPos.y, 20, 20);
      }

      // Here is draw 16 square
      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(250, 100, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(650, 100, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1050, 100, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1450, 100, 150, 150);
      //-----------------------------------------------------------
      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(250, 350, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(650, 350, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1050, 350, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1450, 350, 150, 150);
      //-----------------------------------------------------------
      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(250, 600, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(650, 600, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1050, 600, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1450, 600, 150, 150);
      //-----------------------------------------------------------
      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(250, 850, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(650, 850, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1050, 850, 150, 150);

      stroke(0, 0, 0);                                    // square
      strokeWeight(5);
      fill(255, 255, 255);
      rect(1450, 850, 150, 150);
    }

    void keyPressed()
    {
      if ( key == 'r' ) Bongo.rewind();
      if ( key == 'r' ) cello.rewind();
      if ( key == 'r' ) drumset.rewind();
      if ( key == 'r' ) flute.rewind();
      if ( key == 'r' ) Guitar.rewind();
      if ( key == 'r' ) handbells.rewind();
      if ( key == 'r' ) harmonica.rewind();
      if ( key == 'r' ) Harp.rewind();
      if ( key == 'r' ) marimba.rewind();
      if ( key == 'r' ) oboe.rewind();
      if ( key == 'r' ) piano.rewind();
      if ( key == 'r' ) saxphone.rewind();
      if ( key == 'r' ) Trombone.rewind();
      if ( key == 'r' ) trumpet.rewind();
      if ( key == 'r' ) Tuba.rewind();
      if ( key == 'r' ) violin.rewind();

      if ( key == 'z' ) {
        Bongo.play();
      } else {
        Bongo.pause();
      }
      if ( key == 'x' ) {
        cello.play();
      } else {
        cello.pause();
      }
      if ( key == 'c' ) {
        drumset.play();
      } else {
        drumset.pause();
      }
      if ( key == 'v' ) {
        flute.play();
      } else {
        flute.pause();
      }
      if ( key == 'b' ) {
        Guitar.play();
      } else {
        Guitar.pause();
      }
      if ( key == 'n' ) {
        handbells.play();
      } else {
        handbells.pause();
      }
      if ( key == 'm' ) {
        harmonica.play();
      } else {
        harmonica.pause();
      }
      if ( key == 'a' ) {
        Harp.play();
      } else {
        Harp.pause();
      }
      if ( key == 's' ) {
        marimba.play();
      } else {
        marimba.pause();
      }
      if ( key == 'd' ) {
        oboe.play();
      } else {
        oboe.pause();
      }
      if ( key == 'f' ) {
        piano.play();
      } else {
        piano.pause();
      }
      if ( key == 'g' ) {
        saxphone.play();
      } else {
        saxphone.pause();
      }
      if ( key == 'h' ) {
        Trombone.play();
      } else {
        Trombone.pause();
      }
      if ( key == 'j' ) {
        trumpet.play();
      } else {
        trumpet.pause();
      }
      if ( key == 'k' ) {
        Tuba.play();
      } else {
        Tuba.pause();
      }
      if ( key == 'l' ) {
        violin.play();
      } else {
        violin.pause();
      }
    }