Erwin has seen 38 bands.

Band Concerts Seen
  Ben l'Oncle Soul 4 concerts
  Spinvis 4 concerts
  Fred again.. 2 concerts
  Froukje 2 concerts
  John Mayer 2 concerts
  Altin Gün 1 concert
  Andreas Moe 1 concert
  Ben Howard 1 concert
  Black Pumas 1 concert
  Blof 1 concert
  Burna Boy 1 concert
  Confidence Man 1 concert
  Dawn Brothers 1 concert
  Doyle Bramhall II 1 concert
  Eric Clapton 1 concert
  Goldband 1 concert
  Jacob Banks 1 concert
  Jacob Collier 1 concert
  John Mayer Trio 1 concert
  Katy J Pearson 1 concert
  LCD Soundsystem 1 concert
  Paolo Nutini 1 concert
  Parcels 1 concert
  Peggy Gou 1 concert
  Psychedelic Porn Crumpets 1 concert