title: How to add a music to a new class in Flash?
body: <p>How can I add music to a new class in Flash?
  It doesn't work for me, see the image below:</p>
  
  <p><img src="https://i.stack.imgur.com/v8Jcw.png"></p>
  
  <p>How do I make "Export for ActionScript" selectable?  I can't seem to select the textfield to export...</p>
  
  <p><img src="https://i.stack.imgur.com/LVt83.png"></p>