I was practically raised on Pink Floyd, and there are quite a few other selections out of the muddle of "classic rock" that I enjoy. Uriah Heep, Nazareth, Blue Öyster Cult, Led Zeppelin (naturally), AC/DC, Aerosmith, The Cult, Ozzy, Rainbow, Jimi Hendrix, and so on.
Lately I've been listening to a few Alt Rock and Prog Rock songs, with some Grunge thrown in. Audioslave, Soundgarden, Porcupine Tree, Stone Temple Pilots, some Nirvana, Puddle of Mudd, Alice in Chains, plus a few others.
I've also enjoyed certain Heavy Metal selections, but I can't say I'm a fan of the genre as a whole. There are a few Tool songs I like, and a few other bands that I can't for the life of me remember the names of... Just found out about them while listening to stuff on Pandora radio.
In general, most of the Metal genres really don't appeal to me... I need to hear a lot of emotion in a song, a lot of "feeling". The harder metal stuff I've listened to is either emotionless power-playing, or arbitrarily angry at something just for the heck of it. I also feel that a lot of the thrash/speed/death/black/so on metal just has too many notes in too short a time frame... I can't appreciate how each one blends in, and it all just sounds like a "quantity > quality" thing. Really just not my style, although I do happen to know quite a few metalheads... All of whom are constantly trying to "bring me into the light".
Also, I cannot abide anything with screamed lyrics or death growls. I've had someone tell me time and again that you just get used to it after a while so you can hear the lyrics, but I quite honestly would rather spend my time doing something I enjoy.
I also have a penchant for Stereophonics and the Wallflowers... In short, my musical taste tends to disagree with that of everyone I know. Aside from, interestingly enough, my parents.