PopUp Chorus in Durham, North Carolina completely nailed this cover of M.I.A.'s Paper Planes. Considering it's a group of people who show up to a location, learn, perform, and film and song all in one night with no extensive training as a group, it's more than impressive!

According to the PopUp Chorus website,

Introducing the PopUp ChorusSM, the only chorus where you can show up when you want and skip it when you’re too busy. No audition, no weekly commitment, just show up and sing.