Soundtrack at start is sampled of course. And there is a way - what you hear is via AY. Noise is present, but barely noticeable. The key is in good sample preparation and volume leveling.
Famous Schrodinger's cat hypothetical experiment says that cat is dead or alive until we open box and see condition of poor animal, which deserved better logic. Cat is always in some certain state - regardless from is observer able or not to see what the state is.