Justin Bieber. XD
Taylor Swift and Carrie Underwood
Underoath and Attack Attack!
Run DMC but most hip-hop sucks in my opinion.
Nirvana, of course.
Base Ball Bear
Phil Collins or maybe Elton John (some people consider Elton John's songs contemporary)
I don't have one but I do like jazz
The Beatles, Buddy Holly, and Frankie Valli/Four Seasons!:D
Taking Back Sunday:D
Any other genres you like but I didn't mention?
Bah I'm so bored I typed down all of this:\