"History of Rap 3!"
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But the visit's highlight focused on a different new project.
Buddies JT and Jimmy Fallon have already recorded two installments of their medley series, "The History of Rap." They used Timberlake's appearance on the show to present the third.
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As the audience went wild, the pair ran through a dozen old school and contemporary hip-hop jams, from LL Cool J's "Mama Said Knock You Out" to Snoop Dogg's "Drop It Like It's Hot."
Check out the full playlist from their set below, courtesy of Zap2It.com.
"King of Rock" - Run-DMC
"Mama Said Knock You Out" - LL Cool J
"Parents Just Don't Understand" - DJ Jazzy Jeff and the Fresh Prince
"Me Myself & I" - De La Soul
"Supersonic" - J.J. Fad
"Baby Got Back" - Sir Mix-a-Lot
"Bust a Move" - Young MC
"Jump Around" - House of Pain
"It Was a Good Day" - Ice Cube
"Gangsta's Paradise" - Coolio
"Killing Me Softly" - The Fugees
"Sabotage" - Beastie Boys
"I Just Wanna Love You" - Jay-Z
"Ms. Jackson" - Outkast
"Drop It Like It's Hot" - Snoop Dogg
"Stronger" - Kanye West
"Super Bass" - Nicki Minaj
"Hip Hop Hooray" - Naughty by Nature
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