title: How can I find out if there is some file being played in AudioPlayer?
body: <p>Why following code doesn't work with me? :S</p>
  
  <pre><code>AudioPlayer.player.start(file1);
  while(AudioPlayer.player.isAlive()) {}
  AudioPlayer.player.start(file2);
  </code></pre>
  
  <p>I want to play my files one-by-one :S</p>