Jimmy challenges Adam Levine to a game of random musical impressions, like Prince singing "Twinkle Twinkle Little Star" and Bruce Springsteen singing "If You're Happy and You Know It."
The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives.