I generally dont like Pop and Rap and so on.
Some of my favorites include...
-Velvet Underground (Massive influence when i 'try' to play Guitar)
-The Violent Femmes
-System Of A Down
-CAKE
-Bob Dylan
-The Beatles
-Rolling Stones
-Offspring
-The Presidents of the United States of America
-Joy Division
-Nirvana
I like to stay open to other bands though.