John Biggs has seen 22 bands.

Band Concerts Seen
  Thy Art Is Murder 2 concerts
  After the Burial 1 concert
  Bleeding Through 1 concert
  Brand of Sacrifice 1 concert
  Carnifex 1 concert
  Chelsea Grin 1 concert
  Cultist 1 concert
  Currents 1 concert
  Deicide 1 concert
  I Am 1 concert
  Inhuman Condition 1 concert
  Justice for the Damned 1 concert
  Kataklysm 1 concert
  Kublai Khan TX 1 concert
  Last Of Our Kind 1 concert
  Left To Suffer 1 concert
  Lionheart 1 concert
  Ov Sulfur 1 concert
  Thrown Into Exile 1 concert
  Undeath 1 concert
  Upon A Burning Body 1 concert
  Whitechapel 1 concert