L2squared has seen 55 bands.

Band Concerts Seen
  Hellyeah 2 concerts
  In This Moment 2 concerts
  Lamb Of God 2 concerts
  Rob Zombie 2 concerts
  "Sturgis Rally" 2 concerts
  Black Label Society 1 concert
  Bleed From Within 1 concert
  Brandon Jones 1 concert
  Charlie Brechtel Band 1 concert
  Cheap Trick 1 concert
  Colossal Boss 1 concert
  Crown The Empire 1 concert
  DevilDriver 1 concert
  Devour the Day 1 concert
  Dying Wish 1 concert
  Fit For An Autopsy 1 concert
  Five Finger Death Punch 1 concert
  Gatecreeper 1 concert
  God Forbid 1 concert
  Gwar 1 concert
  Hatebreed 1 concert
  Hollywood Undead 1 concert
  I Prevail 1 concert
  Killswitch Engage 1 concert
  Korn 1 concert