![The Backbeats [US1]](/picture/199028 "The Backbeats [US1]")
Originally by Fleetwood Mac
Released on The Sing-Off Season 2 Episode 4 - Superstar Medley & Judges' Choice (2010)
Originally by Beyoncé
Released on The Sing-Off Season 2 Episode 1 - Signature Songs (2010)
Originally by Lady Gaga featuring Colby O'Donis, Lady Gaga
Released on The Sing-Off Season 2 Episode 4 - Superstar Medley & Judges' Choice (2010)
Originally by Katy Perry
Released on The Sing-Off Season 2 Episode 5 - The Finale (2010)