Jimmy Fallon Got Bradley Cooper to Play Air Guitar Like a Cute DorkKelly Faircloth1/06/15 10:30am214EditPromoteGo to permalinkHey, you. Big fan of Bradley Cooper? Well, this video will either put you off or seal the deal forever. Watch as Tonight Show host Jimmy Fallon convinces him to play air guitar to Neil Young's "Down by the River." It goes on forever, and Cooper remains (almost) straight-faced for the duration.