This is hysterical and very clever!!!!!!!!!!!!!!!!!....

Mahalo.com - As The Roots began playing The Sugarhill Gang's song "Rapper's Delight," Timberlake and Fallon grabbed microphones, walked over to the stage and began rapping the song. Timberlake and Fallon went on to perform a medley of rap songs from the past three decades, including Run DMC's "Peter Piper," the Beastie Boys' "Paul Revere" and "The Humpty Dance" by Digital Underground. After performing these 1980s rap songs, Timberlake and Fallon launched into Dr. Dre's 1993 hit "Nuthin' but a 'G' Thang," which featured Snoop Dogg. The two then performed a snippet from Tupac Shakur's 1995 rap song "California Love." Other songs included in the History of Rap medley included The Roots' "The Seed 2.0," Eminem's "My Name Is" and Missy Elliot's "Work It."http://www.youtube.com/watch?v=GOClaIZACrM⁷ http://latimesblogs.latimes.com/gossip/2010/10/justin-timberlake-jimmy-fallon-and-the-history-of-rap.html⁸
Timberlake and Fallon began dancing as they performed several contemporary rap songs, including Kanye West's "Gold Digger," "Live Your Life" by T.I. and Soulja Boy's "Crank That (Soulja Boy)."http://latimesblogs.latimes.com/gossip/2010/10/justin-timberlake-jimmy-fallon-and-the-history-of-rap.html⁹ The pair then went out into the studio audience to perform Jay-Z's song "Empire State of Mind" for their grand finale. Audience members stood up and began dancing and singing along.http://www.youtube.com/watch?v=GOClaIZACrM¹⁰


The history of rap/hip-hop with Jimmy Fallon, Justin Timberlake & the Roots  on Late Night:  

Here are the originals: