5 Songs You Obsessed Over After Seeing the First Pitch Perfect

This breakout song from Pitch Perfect had somewhat mysterious origins when Anna Kendrick's character, Beca, uses it as her audition song. But the lyrics, its spare accompaniment (hence the cups), and Kendrick's voice combined to make it a huge hit, even spawning its own music video months after the movie came out.

Before Jessie J. blew up, the Bellas mashed up this song for their final performance and got us addicted to it.

Beca sings this song in the shower, unknowingly auditioning for the Bellas. This electronica song had been a hit, but Beca singing it certainly got it more attention.

Obviously, we are Team Barden Bellas, but the Treblemakers are on top for most of the movie for good reason. When they perform this song — including the rap, sung by Utkarsh Ambudkar — they kill it.

Beca shows off her genius at mashing up songs when she uses this track plus Bruno Mars's "Just the Way You Are." When Beca's voice soars into the mix, it's gorgeous.