public static synchronized void playSound() {
		  new Thread(new Runnable() {
		    public void run() {
		      try {
		    	InputStream in = new FileInputStream("sounds/goal.wav");
		    	AudioStream as = new AudioStream(in);         
		    	AudioPlayer.player.start(as);            
		      } catch (Exception e) {
		    	  e.printStackTrace();
		      }
		    }
		  }).start();
		}