This weakaura plays fall guys theme during intermission of painsmith. You need to download this sound file: http://dump.hagesjo.se/fallguys.ogg
and put it in wowfolder/_retail_/Interface/fallguys.ogg
The music is fall guys theme for 42.5 seconds.
If you don't trust the url, you can make a fall guys theme yourself from e.g youtube download or so. Intermission is 42.5 seconds long.