Blue90 has seen 16 bands.

Band Concerts Seen
  The Black Dahlia Murder 3 concerts
  200 Stab Wounds 1 concert
  Bullet for My Valentine 1 concert
  Cannibal Corpse 1 concert
  Chelsea Grin 1 concert
  Frozen Soul 1 concert
  Fuming Mouth 1 concert
  Gates to Hell 1 concert
  Job for a Cowboy 1 concert
  Killswitch Engage 1 concert
  Marilyn Manson 1 concert
  Phobophilic 1 concert
  Slayer 1 concert
  Terror 1 concert
  Trivium 1 concert
  Whitechapel 1 concert