Anything with a decent tempo (except for Dance Music - too much thoomp thoomp) that is decent but that I don't know the words to. The important part is not know

Anything with a decent tempo (except for Dance Music - too much thoomp thoomp) that is decent but that I don't know the words to. The important part is not knowing the words. If you know the words it can pull you out of the zone without you realizing. As for type I have no specific type, I'm all over the place, just as long as it follows the above criteria.