Niels Agterberg has seen 11 bands.

Band Concerts Seen
  Adam Lambert 1 concert
  Bad Company 1 concert
  Caramba 1 concert
  Deep Purple 1 concert
  Dio 1 concert
  Genesis 1 concert
  Michael Jackson 1 concert
  Phil Collins 1 concert
  Queen 1 concert
  Queen + Adam Lambert 1 concert
  Tenacious D 1 concert