We've all heard Fall Out Boy hit "My Songs Know What You Did In The Dark" from their "Save Rock And Roll" album, right?
Well, did you know the song is a lot older than that?
YUP...the track actually almost appeared on their hit record "From Under The Cork Tree!"
While they demoed the track for the earlier album, it didn't become an official track until much later!
Wondering what it sounded like back then when they did the demo? Take a listen: