September 8, 2015 1:40 pm Primetime Preview: America's Got Talent Roxanne Vargas previews tonight’s semi-final action on America’s Got Talent. US & World Videos 4:12 Keeping Up with Rock Legends on Tune Talk 3:41 Tune Talk: An Update about Madonna and More 8:28 Papa Keith Talks Hip Hop and Adam Duritz Discusses Upcoming Counting Crows Tour 4:13 The Pop Stars Making Waves This June 1:57 Gifts for Dad on Father's Day