I can't stand stuff from the 60's and 70's. It reminds me of my parents and leave it to beaver for some reason.
So I went through that phase then the 70's hard rock phase, rediscovered the eighties techno scene about 10 months ago now I'm on U2 90's era (Achtung Baby, Zooropa and Pop). Trying to catch up if you will missed out on a lot of music. (didn't buy an album until 2000 U2's All that you can leave behind)
Went through a christian rock phase (creed) can't stand to listen to it now I've banned those albums.
Went through a Metallica phase. Basically because thats all my cousins listens too.
Now I'm into independent music mostly from Canada, U2 and Coldplay and Franz Ferdinand
I like it that I listen to bands nobody has heard of: Arcade Fire, The Stills, Hot Hot Heat, Stars, Broken Social Scene, New Pornographers and so on.