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    <p>From what i gather form your description, you are pressing a stop button on your GUI and this calls <code>Music.stopMusic()</code>. The result is that the audio clip stops playing, but you are still waiting 3 seconds before you GUI becomes responsive.</p> <p>This is because the call you are making in <code>Music.stopMusic()</code> makes native calls to I/O resources, and this should not be called in the EDT. You should look at running up a worker thread to do this:</p> <pre><code>Thread t = new Thread(new Runnable() { public void run() { Music.stop(); } }); t.start(); </code></pre> <p>Or look to using a <a href="http://docs.oracle.com/javase/tutorial/uiswing/concurrency/worker.html" rel="nofollow">SwingWorker</a>. </p> <p>Interestingly, though I am not sure which implementation of <code>Clip</code> is returned, but a quick look at <a href="http://javasourcecode.org/html/open-source/jdk/jdk-6u23/com/sun/media/sound/MixerClip.java.html" rel="nofollow"><code>MixerClip</code></a> shows a call to a native library, and then perhaps the smoking gun in your predicament- a 3 second wait for a callback!</p> <pre><code>// stop the sample. this invalidates the sample voice id. nStop(id); // wait for the callback synchronized(lock) { if (id!=0) { try { //long time=System.currentTimeMillis(); lock.wait(3000); //if (System.currentTimeMillis()-time &gt; 2500) { //System.out.println(" WAITING TIMED OUT!"); System.out.flush(); //id=0; //} } catch (InterruptedException e) { } } } </code></pre>
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    1. COI've tried a worker thread and that solves this issue, but brings a new one: If a user restarts the game quickly enough, music will not start. (That could probably be solved by having a static thread variable in Music that you wait to complete when you start the game again)
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    2. COThe new thread worked. I just needed to Thread.join() when I needed to start the music again.
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