funnydie Up Next: David After Dentist After REMIX AUTOPLAY Up Next In: 10 David After Dentist After REMIX Conan's Free Bird: Reaction The Office: A Musical LAZY DAY AFTERNOON Follow Ferrell Sings "West Side Story" on Letterman Will has been bitten by the Broadway bug. March 14, 2009 1.1m Views Will Ferrell Will Ferrell Uploader Additional Credits Will Ferrell, David Letterman 22,969Funny10,851Die 1,123,296 Views March 14, 2009 Published Category Music Real Life Tags On Letterman The Broadway Will Ferrell David Letterman West Side Story broadway Up Next MUSIC 1:16 David After Dentist After REMIX tobyturner 7:06 Conan's Free Bird: Reaction Random White Guy Advertisement Will Ferrell's Greatest Hits 5:11 The H is O, a short by Adam Mckay Adam "Ghost Panther" McKay 2:02 Step Brothers DELETED Scene with Rob Riggle Will Ferrell