hmmm let me think...

g.love and special sauce +5 (once at bonnaroo)
lennon +2 (once at the warped tour)
the clones of funk +2 (each time at blues festival)
los lobos +2
all american rejects (they came to my campus and i was forcibly taken to see them 'play')
slightly stoopid
jewel (at lolapalooza)
deftones (at the hfstival i think)
red hot chili peppers (at virgin fest)
death cab for cutie
old men in muscle cars (at the blues fest)
the presidents of the united states of america
dropkick murphys +2 (once at the warped tour)
franz ferdinand +2
freddy king +2 (at blues fest)
elanor
trial and error +4 (they are a local band from my high school)
trey anastasio