Here’s a list of bands/artists I’ve seen live, taken from my last.fm page

Bomb The Music Industry! (more than four times, I lost count)

The Ergs!
Jeff Erg (playing solo stuff)
Lemuria (twice!)
Whole Wheat Bread
Big D and the Kids Table
Brain Failure
Fear Nuttin Band
Katy Perry
ORESKABAND a.k.a オレスカバンド
Pennywise
Awful Waffle
Cheeky
Streetlight Manifesto (twice)
Shwayze
Reel Big Fish
The A.K.A.s (ARE EVERYWHERE!) a.k.a The A.K.A.s
Against Me!
Westbound Train
The Forthrights
Bridge & Tunnel
The Bronx
The Aggrolites
The Saint Alvia Cartel
Bring Me The Horizon
The Devil Wears Prada
Tsunami Rising
The Swellers
Ludo
Beat Union
The Flaming Tsunamis (twice! Including their last show in NJ)
Wrong Answer
Last Martyrs of a Lost Cause
The Best of the Worst (twice)
Cheap Girls
Valens
You Without Teeth
Full Of Fancy
A Billion Ernies
Fatter Than Albert
Stuck Lucky
Matt Wixson
Flogging Molly
Bad Religion
NOFX
Less Than Jake
Andrew Jackson Jihad
Barnaby Jones
Laura Stevenson and The Cans
Faith No More
Rahzel

http://www.last.fm/user/VelcroFace