a cappella

WATCH: A Cappella Group Covers Sia's "Chandelier"An a cappella group in North Carolina may have just one upped the singer-songwriter at her own game.
Watch Two Guys Cover Beyoncé's Entire Album In Under Six MinutesWhat's better than the unexpected release of Beyoncé's self-titled "visual" album? Two guys from an a cappella group unexpectedly pulling off the greatest cover of her album in just around five minutes.
[Video] Carson Daly: Children's Chorus Covers Katy Perry