Oriģināls: Megahits of 2012. Katy Perry. The Big Bang Theory. The Band Perry. Katy Perry. Piano, Vocal, Guitar sheet music.
Tulkojums: Megahits 2012.gada. Big Bang Theory. Christina Aguilera un Chris Mann, no The Voice. Klavieres, vokāls, ģitāra notis. Plāns.