The Greatest Music Moments on Jimmy Fallon's 'Late Night'
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'Lazy Sunday' Live
The SNL skit that put YouTube on the map and gave birth to countless viral videos was revived when Chris Parnell stopped by Late Night in March 2009. Andy Samberg popped up behind the couch to go "way back to 2005" and The Roots provided amazing old-school hip-hop beats and backing vocals.