Pia Toscano Unleashes Rock And Roll Mettle On 'American Idol'

Pia Toscano finally broke out of her comfort zone on Wednesday's (April 6)"American Idol," stepping away from torch-song balladry and moving into more uptempo territory, a transition the judges have been urging her to make for weeks.She did so by scaling, on Rock and Roll Hall of Fame Night, one of the grandest songs in pop music history: Ike and Tina Turner's towering "River Deep - Mountain High