|Ben Folds (2009-2013)|
Nicole Scherzinger (2009-2010)
Sara Bareilles (2011)
Patrick Stump (2014)
|Sony Pictures Television|
Tenth Planet Productions
One Three Media (Season 4)
United Artist Media Group (Season 5)
The Sing-Off is a singing a capella reality competition show, where A cappella groups from the United States, including Puerto Rico, are chosen by audition and advanced in the competition based on judges' eliminations until the finale, with the winners being determined by viewer votes.
The country's best a capella groups perform songs in a way viewers never heard them before. These group are vying for America's vote for the ultimate prize, an Epic Record/Sony Music recording contract and a cash prize ($100,000 in seasons 1,2 & 4; while in Season 3, it changed to $200,000).
"Now please raise your mics one final time for your swan song."