If there was any doubt before, there's none now:

This is Adam Lambert competition to lose.

The theatrical singer toned down his usual antics on last night's American Idol, belting out an incredible version of Smokey Robinson's "Tracks of My Tears." He received well-earned raves from the judges.

What other finalists stood out? And which classics did they sing? Read through our Idol recap now to find out!

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.