Late Night with Jimmy Fallon will make its broadcast debut on Monday, March 2, 2009 at 12:35/11:35c. Critically-acclaimed, Grammy-winning band The Roots will be Fallon's house band when "Late Night" makes its broadcast debut. Named one of the "20 Greatest Live Acts in the World" by Rolling Stone, The Roots will bring their eclectic hip-hop sound to the new "Late Night."