ozzy
judas priest
lacuna coil x 2
slipknot
slayer
marilyn manson
black label society
lamb of god -> local boys :)
hatebreed
dimmu borgir
korn
saliva
superjoint ritual
breaking benjamin
atreyu
social burn
otep
devildriver
magnafi
three days grace
shinedown
throwdown
bleeding through
everytime i die
darkest hour
unearth
god forbid
linkin park
kid rock
12 stones
blindside
closure
hazen street
p.o.d.
double drive
alien ant farm
bowling for soup
dave matthews
andrew w.k.
carbon leaf
floggin molly
the bloodhood gang
snoop dogg
nappy roots
taylor swift -> in her first big year
zac brown band

there are a couple more rap ones and a few more country ones, but i cant remember right now...

seen a bunch of local/unknown bands play... was at a party last night at a firehouse with a country band named little rock... they were alright, but the free booze was awesome :P