Comment 1 for bug 660100

Yeah, that's true. I've been fighting with this all evening.

Turns out this is a limitation of jPlayer, which requires an mp3, and supports an ogg as a secondary media:
 * http://www.happyworm.com/jquery/jplayer/1.2.0/developer-guide.htm#jPlayer-setFile

Bummer.

I'll try to talk to the jplayer devs about this.