One of my weird quirks is I can't listen to music in the background. It hugely distracts from what I'm doing and so becomes irritating.
I like music, but my world is free of it unless my main task is listening to music, or at movies, concerts, clubbing, etc.. I don't even listen to music in a car.
I get the same problem with television in the background, even if it's muted. Changing background visuals are as distracting as music.