a capella

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.
'Gangnam Style' Gets A Capella CoverYouTube sensations Pentatonix's debut album features the track, plus covers of songs by Nicki Minaj, Gotye and fun.
Dutch Choir Cover Skrillex: Surfer Stephen's Viral Video of The Day!
"The Simpsons" Theme Song A Cappella Cover
[Video + Poll] Carson Daly: Mike Tompkins Covers Rihanna's 'Only Girl'