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(Yahoo!) - They did it not once, not twice, not thrice,  but  four times (frice?)! Justin   Timberlake and Jimmy Fallon laid down another epic medley of rap songs  to  cap JT's week-long stint as musical guest onLate Night With  Jimmy  Fallon. Covering Sugarhill Gang's 1981 classic "Apache (Jump On  It)" up to  Macklemore and Ryan Lewis's 2013 sleeper hit "Thrift Shop", the  dynamic duo  shook, rattled, and rhymed their way through 25 songs in under  six minutes--and  only cracked up once each! Pretty impressive, no? No  doubt there will be Part 5,  JT and JF are clearly having too much fun.

Here's the whole setlist:

· Sugarhill Gang – Apache (Jump On It) - 1981
· Grandmaster Melle Mel - White Lines (Don’t Do It) – 1983
· Kurtis Blow – Basketball – 1984
·  Fat  Boys – The Fat Boys – 1984
· Run DMC – Its Tricky - 1987
·  Beastie Boys - No Sleep Till Brooklyn - 1987
· LL Cool J – Going Back to Cali - 1988
·  Slick Rick – Children’s Story - 1989
· 2 Live Crew - Me So  Horny – 1989
·  Public Enemy – Fight the Power - 1989
· A Tribe  Called Quest – Scenario – 1991
· Cypress Hill – Hand on the Pump – 1991
·  Wreckx-N-Effect – Rumpshaker – 1992
· Salt N Pepa – Shoop – 1993
· Snoop  Doggy Dogg - Gin  and Juice - 1993
· Busta Rhymes - Woo-Ha! Got You All  In Check - 1995
·  The Notorious B.I.G. – Hypnotize - 1996
· Missy  Elliot - Get Ya Freak On – 2001
· Jay-Z – Izzo (H.O.V.A.) – 2001
· Nelly – Ride Wit Me - 2001
· 50  Cent – P.I.M.P. – 2003
· Chamillionaire – Ridin Dirty – 2006 // Wiz Khalifa – Black and Yellow – 2010
· Trinidad James - All Gold Everything
·  Macklemore and Ryan Lewis – Thrift Shop – 2013
· Eminem –Lose Yourself – 2002