Jimmy Fallon does it again: WATCH NBC's Brian Williams perform ‘Rappers Delight'

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NEW YORK - "Tonight Show" host Jimmy Fallon continues to impress his fans as the new host of the late-night show. Wednesday night's show was no exception. Watch as NBC's Brian Williams, and "two friends" perform "Rapper's Delight."

The amount of work and editing put into this is incredible. 

http://youtu.be/-YCeIgt7hMs