Three people play instruments in front of a crowd of people.
A band performs in front of an audience.
A group of acrobats rehearsing their tricks in silence.
A woman in a dress is doing scooter tricks in the park.
Don't look at the lamp.
Riding his bike down the road.
It doesn't cost companies anything to carry the insurance.
A plane overhead.
The lady probably cannot hear very small and subtle sounds in the environment around her right now.