The Sing-off 2009 | TV Show Watchlist

Season 3, Episode 10 America Votes: Group Mastermixes

First Aired: November 21, 2011

The four remaining groups perform mash-ups of hit songs before viewer voting begins. Also: The episode opens with a collaborative performance of "Baba O'Riley," "Bittersweet Symphony," "Last Friday Night (T.G.I.F.)" and "Hollaback Girl."

Cast & Details See all »

  • Premiered: December 14, 2009
  • Rating: TV-PG
  • Premise: Eight a cappella groups from around the country compete for a recording contract and $100,000. (more)

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