John Castle has seen 47 bands.

Band Concerts Seen
  Tool 4 concerts
  Gojira 2 concerts
  Lamb Of God 2 concerts
  Meshuggah 2 concerts
  Amon Amarth 1 concert
  Arcade Fire 1 concert
  Architects 1 concert
  Asking Alexandria 1 concert
  Behemoth 1 concert
  Cannibal Corpse 1 concert
  Converge 1 concert
  Counterparts 1 concert
  Death Angel 1 concert
  Dying Fetus 1 concert
  Elder 1 concert
  Fit for a King 1 concert
  In Flames 1 concert
  Killing Joke 1 concert
  Knocked Loose 1 concert
  Kreator 1 concert
  Landmvrks 1 concert
  Loathe 1 concert
  Lorna Shore 1 concert
  Marilyn Manson 1 concert
  Mastodon 1 concert