Neil Young and Jimmy Fallon's 'Neil Young' Perform 'Old Man' Together

In an epic late night performance years in the making, Neil Young finally played alongside… "Neil Young." For nearly five years, Tonight Show host Jimmy Fallon has been delivering a pitch perfect impression of the Harvest singer to Young-ify ridiculous songs like "Pants on the Ground" and The Fresh Prince of Bel-Air theme song. Tuesday night, with The Tonight Show revisiting Los Angeles, Fallon's "Young" and the actual Young, dressed exactly alike, finally collided onstage to perform a surprisingly faithful rendition of "Old Man." This wasn't the first time "Neil Young" has shared the stage with a rock icon: Fallon's "Young" also sang Willow Smith's "Whip My Hair" next to a costumed Bruce Springsteen in 2010 and filled the "Y" in CSNY for a take on Iggy Azalea's "Fancy" last year. http://www.rollingstone.com/tv/videos... http://www.wochit.com