I did this in another thread and it got to 3 parts. Quite funny sometimes.
What you do is take part of a song, example; That "What if God was one of us, just a slob like one of us" song.
Take a part of it;
"What if God was one of us, just a...
You finish it, then the next person adds on. Be free to put in any song, BUT include the person who plays it, and name of the song- so we know ur not just making up a song.
Ill start;
Iron Man - Black Sabbath
"Vengeance from the grave. Kills the ..."