The a cappella genre has had Hollywood harmonizing in more movies and TV shows than most Pitch Perfect fans realize. See which of your favorites have previously traded all the instruments in the world for a pitch pipe.
‘N SYNC HONORS THE BEE GEES (2003)
The boy band stole the 2003 Grammy Awards broadcast with an medley of Bee Gees hits “Lonely Days,” “How Can You Mend a Broken Heart,” “How Deep Is Your Love” and “Stayin’ Alive.” Watch the legendary award performance — adding a couple of extra layers to the classic Brothers Gibb three-part harmonies, complete with beatboxing by Justin Timberlake — here.
This photo gallery originally appeared on THR.com.