If they are in the room, I would say,
"Raise your left hand when you think
I am listening to music, and your right when
it's the equipment."
Then, ignore them.
Or respond, telling them they were dead wrong.
"Raise your left hand when you think
I am listening to music, and your right when
it's the equipment."
Then, ignore them.
Or respond, telling them they were dead wrong.