I went to school for animation and I always believed Milt Kahl (one of Disneys nine old men) when he said "I'm not smart enough to do two things at once".
You may be surprised at the increase in quality and efficiency your work may have without music.
I know most people say "I can't work without background noise" "I just have a crazy ADD mind and need to be doing 10 things at once!", and while that may be true in certain cases, you should definitely at least try working without it!
Who know's, maybe you'll like it!