If an mp3 audio won't play in Firefox as well as other browsers, kindly use the Comments box below to report the broken link. I'll check it out and look for a replacement link online.
When reporting, please give the song post's URL or the Song Title and Performer's Name.
VideoAlso, sometimes a YouTube video has been removed from YouTube, either by the user of by Google. If you come across one of those, please report that too.