Koen has seen 83 bands.

Band Concerts Seen
  alt-J 2 concerts
  Cory Henry 2 concerts
  Kendrick Lamar 2 concerts
  Nick Murphy fka Chet Faker 2 concerts
  Balthazar 1 concert
  BCUC 1 concert
  Bicep 1 concert
  Big Thief 1 concert
  Bon Iver 1 concert
  Bonobo 1 concert
  Boy Azooga 1 concert
  BROCKHAMPTON 1 concert
  Cat Carpenters 1 concert
  Chef'Special 1 concert
  Chocolate Puma 1 concert
  Christine and the Queens 1 concert
  Death Grips 1 concert
  De Likt 1 concert
  De Staat 1 concert
  Destructive Penguins 1 concert
  detroit swindle 1 concert
  DeWolff 1 concert
  Dhafer Youssef 1 concert
  Donna Blue 1 concert
  Donnie 1 concert