Jessica Sanchez: 'Proud Mary'

Jessica Sanchez wants to do that bar-band favorite, Proud Mary. "We all hate it, but it has nothing to do with you," says Little Steven, who came in prepared to talk her out of it. But he likes her take on the song. He suggests a little reharmonizing, which Jessica doesn't understand, but the players do, so it's OK.

She starts it slow, like Ike and Tina Turner did, but with the different chords...