Greg Clarke has seen 331 bands.

Band Concerts Seen
  Slayer 12 concerts
  Therapy? 7 concerts
  Entombed 6 concerts
  The Haunted 6 concerts
  Aborted 5 concerts
  Cannibal Corpse 5 concerts
  Cyclefly 5 concerts
  Katatonia 5 concerts
  Krisiun 5 concerts
  Paradise Lost 5 concerts
  Primordial 5 concerts
  Anthrax 4 concerts
  Decapitated 4 concerts
  Henry Rollins 4 concerts
  Kreator 4 concerts
  Mass Extinction 4 concerts
  Medulla Nocte 4 concerts
  Obituary 4 concerts
  Pearl Jam 4 concerts
  Saul Williams 4 concerts
  Anathema 3 concerts
  Behemoth 3 concerts
  Cathedral 3 concerts
  Corrosion Of Conformity 3 concerts
  Deftones 3 concerts