pentatonix

With nearly no radio airplay, a capella YouTube stars The Pentatonix cracked Billboards top 10 album sales!

Starting from the year 1100 up through 2013, watch the Pentatonix pay tribute to some of the biggest songs in history with the "Evolution of Music"!

The a capella YouTube quartet that brought you that outstanding cover of Lorde's "Royals" is back with the Evolution of Beyoncé!

Yes, that's a man singing!