Sien has seen 43 bands.

Band Concerts Seen
  Bazart 3 concerts
  Angèle 1 concert
  Arctic Monkeys 1 concert
  AURORA 1 concert
  Billie Eilish 1 concert
  Bolis Pupul 1 concert
  Bombay Bicycle Club 1 concert
  boygenius 1 concert
  Bring Me The Horizon 1 concert
  Cavetown 1 concert
  Céline Gillain 1 concert
  Clara! 1 concert
  Compact Disc Dummies 1 concert
  Compact Disk Dummies 1 concert
  Daði Freyr 1 concert
  Declan McKenna 1 concert
  Editors 1 concert
  Florence + the Machine support party 1 concert
  Frank Carter & The Rattlesnakes 1 concert
  Froukje 1 concert
  girl in red 1 concert
  Glass Animals 1 concert
  Jente Waerzeggers 1 concert
  Jessie Ware 1 concert
  M83 1 concert