Luke Bryan covers John Mellencamp on 'Idol'
Luke Bryan took the stage on Sunday's American Idol to perform John Mellencamp's "Small Town."Clad in a shirt and jeans, Luke got the in-studio crowd on their feet, clapping and singing along to John's 1985 hit. His performance coincided with the Rock & Roll Hall of Fame theme for Sunday's show.This year's Rock & Roll Hall of Fame inductees were also announced Sunday night. They include ageless diva Cher, R&B powerhouses Mary J. Blige, '70s and '80 rock hitmakers Foreigner, '70s superstar guitarist Peter Frampton, jam band superstar...