Core021 has seen 64 bands.

Band Concerts Seen
  Beartooth 6 concerts
  August Burns Red 3 concerts
  Killswitch Engage 3 concerts
  Parkway Drive 3 concerts
  Silverstein 3 concerts
  The Devil Wears Prada 3 concerts
  A Day To Remember 2 concerts
  Alpha Wolf 2 concerts
  Archetypes Collide 2 concerts
  Bring Me The Horizon 2 concerts
  ERRA 2 concerts
  Fit for a King 2 concerts
  Kingdom of Giants 2 concerts
  Northlane 2 concerts
  The Amity Affliction 2 concerts
  The Ghost Inside 2 concerts
  Wage War 2 concerts
  156/Silence 1 concert
  Afterlife 1 concert
  After the Burial 1 concert
  Bad Omens 1 concert
  Better Lovers 1 concert
  Bleed From Within 1 concert
  Bury Tomorrow 1 concert
  Callous Daoboys 1 concert