Michael J. Fox was already famous thanks to his three-time Emmy-winning role as Alex P. Keaton on the TV show Family Ties.

Without Allstate, Marty McFly might never have left 1985 or perhaps would have traveled back in time in a Buick, forever disrupting the space-time continuum of the seminal movie trilogy.

The movie is such a cult classic for so many people,” she said. But what she couldn’t be familiar with at the time were the more than 20 additional tunes that were written for the new musical.