Anachronisms

This film is supposed to take place in the 1920s silent movie era, yet the movie extras riding in the bus to their location sing-along to "Shuffle Off to Buffalo", a Harry Warren-Al Dubin song written for the 1933 sound film "42nd Street."

Anachronisms

The "audition" record that Rudy listens to is obviously an LP running at 33 1/3 rpm. LPs would not be invented until the late 1940s.

Continuity

Interior of tour bus has sky lights that don't appear in exterior shots of vehicle.