The following HTML 5 code works ...

The junk below was automagically added with the visual editor trying to add an unlimited add-on ... cannot get into it to configure in any way (like point to an audio file...

Stuff below is just for cut, paste, edit to save typing

http://christophergoddard.com/public_html/wp-content/uploads/2013/03/Ambitus-for-solo-piano.mp3