Koen Kaffener has seen 101 bands.

Band Concerts Seen
  Frank Turner 3 concerts
  Frank Turner & The Sleeping Souls 3 concerts
  Will Varley 3 concerts
  DMA’s 2 concerts
  Future Islands 2 concerts
  Kids With Buns 2 concerts
  The Gaslight Anthem 2 concerts
  The Vices 2 concerts
  Adam Barnes 1 concert
  Against Me! 1 concert
  Aidan & The Wild 1 concert
  alt-J 1 concert
  Amy Root 1 concert
  Balthazar 1 concert
  Bare Jams 1 concert
  Bayside 1 concert
  Bazart 1 concert
  Beach House 1 concert
  Beans on Toast 1 concert
  Biffy Clyro 1 concert
  Black Pumas 1 concert
  Bombay Bicycle Club 1 concert
  Car Seat Headrest 1 concert
  Childhood 1 concert
  Dave Hause & The Mermaid 1 concert