Live from Radio City, Week 5 Performances

It's the last night of quarterfinals! Twelve acts perform tonight, but only four will receive a pass to next week's semifinals.
Aired: Aug 20, 2013 Genre: RealityCasts: Nick Cannon Howie Mandel Mel B Heidi Klum Howard SternCreated By: Ken WarwickDuration: 1h 25m Rating: 3 Country: United States of America Production: Syco Television