People with closure issues: Watch with caution.

Kevin Bacon appeared as Tom Petty on Watch Hugas OnlineThe Tonight Show Starring Jimmy Fallon last night, and the two funny dudes put a new, horsey spin on Petty's "Free Fallin'."

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The gig was part of Fallon's segment First Drafts of Rock, in which imagined first drafts of rock songs are written and performed.

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We think "Free Horses" could become a real hit – we just wish they'd get to the chorus a bit sooner.

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