 CONT: When Johnny plays the first Rock and Roll record, he spins the  turn table emphatically to start it up. He then gets into character  as Johnny Fever and announces the format change. When we cut back to  the long shot, we can clearly see that the needle on the record that  is playing was knocked when Johnny spun the turn table. It is now  resting up against the spindle. Yet the music is still playing fine.