I have such varied tastes, that I'll just take a list of my most-played songs from my iTunes playlist:
Jefferson Airplane - White Rabbit
Feist - 1234
Elton John - Goodbye Yellow Brick Road, Rocketman, and Tiny Dancer
Badly Drawn Boy - I Love N.Y.E.
Blumchen - Huet Ist Mein Tag
Super Smash Bros Brawl - Super Smash Bros Brawl Main Theme
Super Smash Bros Brawl - Final Destination
Beethoven - 5th Symphony
Curve - Hell Above Water
DJ Sammy - Heaven
Haddaway - What Is Love?
Hikaru Utada - Passion (Original better than Sanctuary btw)
Maximum the Hormone - What's Up People?!
Rouge Wave - Lake Michigan
Seal - Crazy
Chrono Cross - Dragon God
The Shins - Sleeping Lessons, Phantom Limb, and Caring Is Creepy
Phew, that's a long list. Anyway, as you can see, I'm into alot of Japanese music, dance, techno, alternative, classical, epic battle themes from video games, and just other various crap. Elton john and The Shins are my two main favorite artist. My favorite songs are Caring Is Creepy, Tiny Dancer, What Is Love?