It's a very tough question, because I like many genres of music. I'm not sure if I can narrow it down to one. I would say currently blues, country (90's style and earlier), rock, and metal are my favorites.

Genres are tricky for me anymore though! Some music I consider hard rock is called metal, and then groups I would say are metal are called rock instead. The official label doesn't matter to me though, what's important is what it makes me feel.