From reworking EDM bangers to tackling tracks in French and Korean (?!?), these are the breakout group’s most extraordinary cover performances

Jack Ü & Justin Bieber’s “Where Are U Now” (2015)

Included as a bonus track on their self-titled full-length album, this Jack Ü/Justin Bieber cover particularly highlights how well Pentatonix transforms electronic elements into gorgeous vocal arrangements. Here, the song’s signature, exotic-sounding hook has become a stack of falsetto harmonies.