Bacon donned the long blond wig to sing an alleged "early version" of Petty's 1980s hit, "Free Fallin.'" And it turns out the ...

Guitarist Mike Campbell singled out this Tom Petty track as being the defining sound of the Heartbreakers, and honestly, he's right.

Though Stone, as he will admit, did bear some resemblance to Tom Petty at one point—a coincidental combination of sunglasses and hair that was an added bonus, but not at all germane to the show.