Karstein has seen 74 bands.

Band Concerts Seen
  Carcass 3 concerts
  Conception 3 concerts
  Arch Enemy 2 concerts
  L7 2 concerts
  Marillion 2 concerts
  Metallica 2 concerts
  Skid Row 2 concerts
  Testament 2 concerts
  Unto Others 2 concerts
  Ad Infinitum 1 concert
  Alestorm 1 concert
  Alice Cooper 1 concert
  Almighty 1 concert
  Anastasia 1 concert
  Annihilator 1 concert
  Anthrax 1 concert
  British Lion 1 concert
  Cobra the Impaler 1 concert
  Corrosion Of Conformity 1 concert
  Cryptosis 1 concert
  Cycle Sluts From Hell 1 concert
  Dark Funeral 1 concert
  Death to All 1 concert
  Decapitated 1 concert
  Destruction 1 concert