Sammy Wierdsma has seen 53 bands.

Band Concerts Seen
  FLETCHER 2 concerts
  Harry Styles 2 concerts
  Hayley Kiyoko 2 concerts
  Marina 2 concerts
  Merol 2 concerts
  Pinkpop Festival 2 concerts
  Wet Leg 2 concerts
  White Lies 2 concerts
  10 Years 1 concert
  4th Ave 1 concert
  Alex Aiono 1 concert
  Aly & AJ 1 concert
  Anna-Rose Clayton 1 concert
  A R I Z O N A 1 concert
  Bad Suns 1 concert
  Boniface 1 concert
  Cloud Cafe 1 concert
  Coldplay 1 concert
  De Jeugd Van Tegenwoordig 1 concert
  Dirty Radio 1 concert
  Dua Lipa 1 concert
  Duran Duran 1 concert
  Eefje De Visser 1 concert
  Florence + the Machine 1 concert
  girl in red 1 concert