Revealing mistake: Right at the start there is a TV 'clip' showing the crowds outside the Lyceum. This is supposedly 1974 but you can quite see a pretty modern looking CCTV camera above the Lyceum door.
Revealing mistake: As a very young Otis Williams listens to The Cadillacs on stage in Detroit, the joint is rockin' with the music, but most of The Cadillacs have no microphones.