Michael Bollen has seen 90 bands.

Band Concerts Seen
  Metallica 5 concerts
  Motörhead 3 concerts
  Rammstein 3 concerts
  Interpol 2 concerts
  Mastodon 2 concerts
  The Bravery 2 concerts
  The Chemical Brothers 2 concerts
  !!! 1 concert
  A Brand 1 concert
  Admiral Freebee 1 concert
  Air 1 concert
  Air Traffic 1 concert
  All Them Witches 1 concert
  Amy Winehouse 1 concert
  Arctic Monkeys 1 concert
  Arno 1 concert
  Arsenal 1 concert
  Bart Peeters 1 concert
  Beastie Boys 1 concert
  Belgian Asociality 1 concert
  Billy Talent 1 concert
  Björk 1 concert
  Bloc Party 1 concert
  Blonde Redhead 1 concert
  Bon Jovi 1 concert