Will Smith & Jimmy Fallon Beatbox "It Takes Two" Using iPad App

"You're a famous rapper, and I'm a classically trained beatboxer, so I want to try something fun with you here," Fallon says to Smith. Will Smith and Jimmy are gonna 'layer the rhythms' to the tune of "It Takes Two" by Rob Base & DJ E-Z Rock in this vid with over 2M views, using a beatbox iPad app that layers and loops vocal tracks. Jimmy sure loves that app...