acappella

To warm up the crowd an acappella group launched into "A Bridge Over Troubled Waters" -- a tune Democrats such as former President Bill Clinton and President Obama are working hard to make sure doesn't become the Dem theme song after the mid-term elections.

Patricia Lesko: Bill Clinton Stumps For Dingell In Michigan Patricia Lesko 2010

Styrene's voice, terrific throughout, particularly shines on the acappella closing number Electric Blue Monsoon.

Holly Cara Price: Poly Styrene Returns With New Album, Generation Indigo Holly Cara Price 2011

The show premiered its third season last Monday and features acappella groups from across the country who arrange and sing their own versions of popular songs.

Rev. Amy Ziettlow: Are the Lyrics on The Sing-Off Too Violent? Rev. Amy Ziettlow 2011

To warm up the crowd an acappella group launched into "A Bridge Over Troubled Waters" -- a tune Democrats such as former President Bill Clinton and President Obama are working hard to make sure doesn't become the Dem theme song after the mid-term elections.

Patricia Lesko: Bill Clinton Stumps For Dingell In Michigan Patricia Lesko 2010

To warm up the crowd an acappella group launched into "A Bridge Over Troubled Waters" -- a tune Democrats such as former President Bill Clinton and President Obama are working hard to make sure doesn't become the Dem theme song after the mid-term elections.

Patricia Lesko: Bill Clinton Stumps For Dingell In Michigan Patricia Lesko 2010

Styrene's voice, terrific throughout, particularly shines on the acappella closing number Electric Blue Monsoon.

Holly Cara Price: Poly Styrene Returns With New Album, Generation Indigo Holly Cara Price 2011

The show premiered its third season last Monday and features acappella groups from across the country who arrange and sing their own versions of popular songs.

Rev. Amy Ziettlow: Are the Lyrics on The Sing-Off Too Violent? Rev. Amy Ziettlow 2011

The show premiered its third season last Monday and features acappella groups from across the country who arrange and sing their own versions of popular songs.

Rev. Amy Ziettlow: Are the Lyrics on The Sing-Off Too Violent? Rev. Amy Ziettlow 2011

To warm up the crowd an acappella group launched into "A Bridge Over Troubled Waters" -- a tune Democrats such as former President Bill Clinton and President Obama are working hard to make sure doesn't become the Dem theme song after the mid-term elections.

Patricia Lesko: Bill Clinton Stumps For Dingell In Michigan Patricia Lesko 2010

Check out the video (warning: there's some strong language) above of Mr. West performing some impromptu acappella verses from "Lost in the World" and "Chain Gang" during a meeting at Facebook HQ earlier this week.

Kanye West unveils awesome new rhymes at... Facebook headquarters? 2010