Teun Dertien has seen 52 bands.

Band Concerts Seen
  Beartooth 5 concerts
  Motionless In White 5 concerts
  Ice Nine Kills 3 concerts
  Another Now 2 concerts
  Asking Alexandria 2 concerts
  Fleddy Melculy 2 concerts
  Holding Absence 2 concerts
  Invisions 2 concerts
  I Prevail 2 concerts
  Lordi 2 concerts
  Polaris 2 concerts
  Skynd 2 concerts
  Twenty One Pilots 2 concerts
  A Day To Remember 1 concert
  Almanac 1 concert
  Bad Omens 1 concert
  Black Veil Brides 1 concert
  Blind Channel 1 concert
  Bring Me The Horizon 1 concert
  Bury Tomorrow 1 concert
  Dayseeker 1 concert
  Electric Callboy 1 concert
  Endeavour.nl 1 concert
  Enemy Inside 1 concert
  Future Palace 1 concert