Watch: Billy Joel, J.K. Simmons and Jimmy Fallon Break Into Song During Commercial Break

Commercial breaks can feel like a long time for viewers, but not for Jimmy Fallon. During a commercial break while filming local promos Tuesday for NBC’s “The Tonight Show With Jimmy Fallon,” Billy Joel, J.K. Simmons and Fallon broke into an unrehearsed doo-wop performance of “The Longest Time.” With Joel singing the first verse, Fallon,...Read more »