Okay. So if you've played portal you'll know the origional song.
Here's a flash animation of it.
http://www.vgcats.com/comics/extras/stillalive.phpthen someone asked "How come that computer thing is the only main villain to get its own end-of-game song" and created this:
http://www.thefump.com/fump.php?id=149Then the Brawl Delay came and spawned this:
http://stilldelayed.ytmnd.com/Anymore parodies?