omg...so many...
Red Hot Chili Peppers
Nine Inch Nails (yay! going to see them live on the 18th!)
Aerosmith (saw them in concert a long time ago. It was AMAZING)
Audioslave
Finger Eleven
Rage Against the Machine
The Beatles
Blue October
Oasis
Coldplay (They are hit and miss for me...but I love most of their stuff. Especially A Rush of Blood to the Head and X&Y)
Dave Matthews Band
The Fray
does Elton John count? He plays piano and sings/co-writes most of his own stuff...
Hole (not the biggest Courtney Love fan, but the band is alright)
Guns N Roses
Flyleaf
The Killers
Steve Miller Band
KoRn
Led Zeppelin
Maroon 5 (Adam Levine has such a nice voice, I've seen them live...they were pretty good)
Morningwood
Newsboys (Shine is one of my fave. songs)
OneRepublic
Silverchair
Our Lady Peace!! <33
Ben Folds/Ben Folds Five
Pearl Jam
Death Cab For Cutie
The Postal Service
Queen
Slipknot (saw them in concert too...I think I might just listen to their CDs cause the other fans were a bit too intense for me...)
Wolfmother
The Wallflowers
Smashing Pumpkins
U2
Tricky
Tool
The Toadies
Stone Temple Pilots
STYX
Snow Patrol/The Reindeer Section
Simon & Garfunkel (The Sound of Silence is also one of my fav. songs)
Rob Zombie/White Zombie
The Yeah Yeah Yeahs
oh...there are more....I just can't think of any more right now....