The American Idol audition train rolled on to Milwaukee, which served up yet another batch of really young youngsters, a few more impressive standouts and the most ridiculous auditions we've seen thus far. But while watching and judging the wannabes, some interesting things happened to the judging panel: Steven Tyler became an even more inappropriate softie, Jennifer Lopez finally looked comfortable crushing people's dreams and Randy Jackson ... actually said something smart? So which singers inspired these changes?