Jason Clark has seen 45 bands.

Band Concerts Seen
  Killswitch Engage 4 concerts
  Lamb Of God 4 concerts
  The Black Dahlia Murder 3 concerts
  Whitechapel 3 concerts
  Carnifex 2 concerts
  Fleshgod Apocalypse 2 concerts
  Gojira 2 concerts
  Hellyeah 2 concerts
  In Flames 2 concerts
  Sylosis 2 concerts
  Trivium 2 concerts
  Aborted 1 concert
  All Shall Perish 1 concert
  All That Remains 1 concert
  Amon Amarth 1 concert
  August Burns Red 1 concert
  Aversions Crown 1 concert
  Born of Osiris 1 concert
  Bullet for My Valentine 1 concert
  Cannibal Corpse 1 concert
  Chelsea Grin 1 concert
  Children Of Bodom 1 concert
  Chimaira 1 concert
  Cryptopsy 1 concert
  Despised Icon 1 concert