4 original songs composed by BECK and performed by Scott Pilgrim's band Sex Bomb as they compete in a Battle of the Bands (vocals are by the cast members, instrumentals by Beck). 2 original songs performed by BECK called "Ramona" and "Ramona (Acoustic)" -unreleased track by METRIC called "Black Sheep" (the version in the film is performed. The fictional band the Clash at Demonhead). 2 original songs composed by BROKEN SOCIAL SCENE and performed by the fictional band Crash and the Boys (vocals by the cast members, instrumentals by Broken Social Scene).