The brand-extension musical is a tough genre to game, demanding something new for newcomers yet fidelity for fans. (“Hairspray” succeeded; “Frozen” did not.) “Back to the Future: The Musical,” based on the first of the time-travel films in the billion-dollar franchise, faces an additional hurdle: It hinges on a star performance that would seem to be irreproducible onstage.
AMWAJ Real Estate
