Paul McDonald added some rock tenderness to his bluesy voice, delivering a strong performance of Johnny Cash's "Folsom Prison." The Nashville singer took the stage once again with his guitar and gave the Cash classic a more up-tempo feel that had Jennifer Lopez clapping in her seat. Randy Jackson kept it simple with three little words — "I loved it!" he shouted, after Paul closed out the show. OK!'S AMERICAN IDOL RECAP: PIA PICKS UP THE PACE, JAMES DURBIN SLOWS IT DOWN DURING ROCK N' ROLL HALL OF FAME WEEK ... Read More >>