NBC's "The Tonight Show with Jay Leno" - Season 21

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THE TONIGHT SHOW WITH JAY LENO -- Episode 4428 -- Pictured: Musical... News Photo2010,Arts Culture and Entertainment,Burbank,California,Choice,Color Image,Gary Clark Jr.,Guest,Indoors,Music,Night,One Person,People,Performance,Portrait,Rock of Ages - Musical,Television Show,The Tonight Show with Jay Leno,USA,VerticalPhotographer Collection: NBCUniversal 2013 NBCUniversal Media, LLCTHE TONIGHT SHOW WITH JAY LENO -- Episode 4428 -- Pictured: Musical guest Gary Clark Jr. performs on March 20, 2013 -- (Photo by: Stacie McChesney/NBC/NBCU Photo Bank via Getty Images)