The Sing-Off
America Votes: Group Mastermixes (3x10)
Udgivelsesdato: Nov 21, 2011
Theme: Master Mix (combining 2 songs from different artists) (first round), Judges' Choice (second round)
Group performance: Master Mix: "Bitter Sweet Symphony" by The Verve, "Hollaback Girl" by Gwen Stefani, "Baba O'Riley" by The Who, and "Last Friday Night (T.G.I.F.)" by Katy Perry
- Premieret: Dec 2009
- Afsnit: 29
- Følgere: 162