Being a nuisance

She complained about the noise from his apartment.

He turned down the volume, but she still heard it.

He stopped the music entirely, but she still heard it.

He stopped walking around, but she still heard it.

He packed his bags and moved out, but she still heard it.

As he drove away to find another place to live, she realized the noise was coming from somewhere else. "Oh, sorry about that!" she called out to the empty apartment.