While a band is playing, the drummer shown is faking playing. His hand movements are in no way in sync with what is being heard.
When Dr. Overton is removed from the cryogenic chamber, the sheet covering him is draped over his chest , just up to his neckline. How, when Dr. Wieland removes the oxygen masque, the sheet is a few inches lower on his chest and clearly tucked under his arms.
A few moments later, when Dr. Wieland prepares to inject Dr. Overton's arm, she pulls back the sheet and one can see it was no longer tucked under his arms.
A few moments later, when Dr. Wieland prepares to inject Dr. Overton's arm, she pulls back the sheet and one can see it was no longer tucked under his arms.
During the nightclub scene you clearly hear a clarinet being played.
During the nightclub scene the singer moves around the room between the dancers singing with a microphone but there is no lead from the microphone to the equipment on stage.