5 Season
28 Episode
The Sing-Off - Season 2 Episode 4 (2014)
The five remaining groups come together for a performance; each group sings a medley of songs by a single artist; the judges choose the contestants' next assignment.
- Country : United States of America
- Genre : Reality
- Studio : NBC
- Director :
- Cast : Shawn Stockman, Nick Lachey, Patrick Stump, Jewel
