The Sing-Off Season 4 Premieres Dec. 9

Contestants for the 4th season of The Sing-Off have been announced and the series will premiere on Monday, December 9, 2013.

Singer/songwriter Jewel will be replacing Sara Bareilles, along with returning judges Ben Folds and Shawn Stockman. There will be ten groups this year, two of which I have heard of before. Hooray for new groups!
The ten groups are:

• acoUstiKats
• Calle Sol
• Element
• The Filharmonic
• Home Free
• The Princeton Footnotes
• Street Corner Renaissance
• Ten
• Vocal Rush
• VoicePlay