Helder has seen 789 bands.

Band Concerts Seen
  Blasted Mechanism 13 concerts
  X-Wife 7 concerts
  The Hives 5 concerts
  Arcade Fire 4 concerts
  Chemical Brothers 4 concerts
  David Fonseca 4 concerts
  Da Weasel 4 concerts
  Guano Apes 4 concerts
  Metallica 4 concerts
  Muse 4 concerts
  Placebo 4 concerts
  Red Hot Chili Peppers 4 concerts
  Air 3 concerts
  Gogol Bordello 3 concerts
  Iggy & the Stooges 3 concerts
  Incubus 3 concerts
  It's Not Not 3 concerts
  Kaiser Chiefs 3 concerts
  LCD Soundsystem 3 concerts
  Linkin Park 3 concerts
  Marilyn Manson 3 concerts
  Shellac 3 concerts
  The Rolling Stones 3 concerts
  Andy Votel 2 concerts
  Art Brut 2 concerts