kicked off its second night of the season's live qualifier rounds, and the performances are even bigger and wilder than last week.More acts — all of whom were the best of the best from the lengthy auditions -- returned to face the judges once again at the Dolby Theater in Hollywood, and they upped the production value and energy levels for each performance.The pressure to deliver in a big way was even higher than their first time on stage, and some of the night's hopefuls brought their A-game in an effort to impress the judges and, more importantly, viewers at home who will be voting on who makes it through to the next stage in the competition. Only two can move on!From musical impressionists to fairy singers to young dance crews, here's a look at the acts that stood out from the crowd on Tuesday with truly impressive performances.