At the lab, usually someone else chooses the music, and I almost never recognize what it is.
At home, I generally don't play music if I actually need to concentrate. When I do play something, I generally don't really care what it is, and most of the type it's just anything repetitive. (I used to leave flash games running for their music.)
I have created a playlist with music from robot reveal videos, which at one point I played through a lot. My sister got very annoyed of hearing
Roy G Biv...