VIDEO: The Beach Boys (aka Kevin Bacon & Jimmy Fallon) Perform 'Fun Fun Fun'!

On last night's TONIGHT SHOW, rare footage of a very early recording of The Beach Boys' "Fun, Fun, Fun" was revealed. Below, watch the iconic band (aka A.D. Miles, John Haskell, Gerard Bradford, Kevin Bacon and Jimmy Fallon) in "First Drafts of Rock"!

Bacon's films include the musical-drama film Footloose (1984), the historical thriller JFK (1991), the legal drama A Few Good Men (1992), the historical docudrama Apollo 13 (1995) and the mystery drama Mystic River (2003). He starred on the FOX television series The Following and won a Golden Globe Award, three Screen Actors Guild Awards, and was nominated for a Primetime Emmy Award.

About TONIGHT SHOW:

Emmy Award and Grammy Award winner Jimmy Fallon brought NBC's "The Tonight Show" back to its New York origins when he launched "The Tonight Show Starring Jimmy Fallon" from Rockefeller Center. Fallon puts his own stamp on the storied NBC late-night franchise with his unique comedic wit, on-point pop culture awareness, welcoming style and impeccable taste in music with the award-winning house band, The Roots.

Photo: Douglas Gorenstein/NBC