Man tries to change radio station in car while woman passenger sings

A man listens to the radio during a drive around town.

A woman listening in a living room to the sound of birds in forest, same woman unaware of bear in country while listening to radio, woman pulling string to lift up her skirt after hearing on radio through head set that short skirts are in fashion, opera singer giving concert on radio, man hearing static through radio, couple embracing on couch with both heads listening to one head set.

One morning on a commuter train. A man was listening to music with headphones on, when suddenly, a woman's moans could be heard from the headphones, perhaps due to a crossover line. Next to the surprised man, he found a woman with a flushed face, also wearing headphones. It seems the woman is listening to the crosstalk. Thinking that it might be something to do with her, the man tries to molest her, but she doesn't resist. It turns out that the woman works for a company that broadcasts FM radio, and is conducting an experiment...