John Marshall has seen 15 bands.

Band Concerts Seen
  Asking Alexandria 2 concerts
  Korn 2 concerts
  After the Burial 1 concert
  Alice Cooper 1 concert
  Bad Omens 1 concert
  Born of Osiris 1 concert
  Filter 1 concert
  Gojira 1 concert
  I See Stars 1 concert
  Love & Death 1 concert
  Metallica/Anthrax 1 concert
  Ministry 1 concert
  Rob Zombie 1 concert
  Spiritbox 1 concert
  Upon A Burning Body 1 concert