The Sing-Off

*The Sing-Off*
The Sing-Off
Genre	Reality television
Presented by	Nick Lachey
Judges	Shawn Stockman; Jewel; Patrick Stump; Nicole Scherzinger; Ben Folds; Sara Bareilles;
Theme music composer	Dylan Berry; Mike Geier;
Composers	Dylan Berry; Mike Geier; The House Jacks;
Country of origin	United States
Original language	English
No. of seasons	5
No. of episodes	28
Production
Executive producers	Joel Gallen; Sam Weisman; Deborah Jelin Newmyer; Mark Burnett;
Producers	Deke Sharon; Deondray Gossett; Quincy LeNear;
Production companies	Tenth Planet Productions; Outlaw Productions; Sony Pictures Television; One Three Media (s. 4); United Artists Media Group (s. 5);
Original release
Network	NBC
Release	December 14, 2009 –; December 17, 2014

The Sing-Off is an American television singing competition featuring a cappella groups. It debuted on NBC on December 14, 2009, and was produced by Sony Pictures Television and Outlaw Productions, with Mark Burnett's One Three Media (for a time called United Artists Media Group) being added for the fourth season. A fifth season aired as a holiday special in December 2014.