I may as well (seeing as I am incredibly bored) try to put down as many bands as I can think of that I like.
Bowling For Soup
The Ataris
The Goo Goo Dolls
Nelly (yes, Nelly. He's kick ass)
LFO
Gregory And The Hawk
Me First And The Gimmie Gimmies
Flogging Molly
The Go! Team
Boxcar Racer
Poison
Queen
Styx
AC/DC
Journey
Pat Benetar
Authority Zero
Southwest Statistic
Plushgun
Jimmy Eat World
Hawk Nelson
Queens Of The Stoneage
My Chemical Romance (yeah, so they're whiney and emo, but at least they don't think it's some incredible talent to scream into a microphone like some retard on fire)
The World Inferno Friendship Society
Beethoven
Alien Ant Farm
Weird Al
Motion City Soundtrack
I feel like I may have repeated one of these... oh well.
All-American Rejects
The music from Rent
Heart
New Radicals
The Tories
Blue Oyster Cult
Goot
Meatloaf
Train
Transister
The Monkeys
Polaris
Utada Hikaru
Danny Elfman
Daft Punk
The Pillows
Oasis
The Killers
MEST
Eve 6
Nirvana
Jimmy Eat World
The Illiterate Pigmies (That's going to be me and Jessie's band because we're cool)
The Playdough Yankees
Tons of different TV theme songs
Blues Travler
Blind Melon
Citizen King
Sublime
Relient K
K'naan
Showoff
SR-71
Wyclef Jean
Joe Cocker
Internal ZX
Silverstien
Jethro Tull
The Main Drag
X Japan
REM
The Offspring
Blessed Union of Souls
Sambomaster
They Might Be Giants
2Pac
Usher
Do As Infinity
Fall Out Boy (not as of recent...)
The Bloodhound Gang
The Beastie Boys
The Presidents of the United States
Teddy Geiger
Weezer
Skindred
All American Rejects (except for their new crap)
Bands I can't stand? Ahh, hell, why not!?
Freezepop
Hanson
Seether
Nickleback (which is practically Seether)
Slipknot
Taking Back Sunday
Underoath
Practically any band that claims they're a christian band for the simple fact that it makes getting on a record label easier (not because of religious purposes, but rather because that's just fucking lazy)
Taylor Swift
Garth Brooks
Guns and Roses
Bullet for my Valentine
Norma Jean
Jay-Z
Plain White T's
I can think of about ten million more... I'll update next time I'm bored.