Kaja Jęczkowska has seen 107 bands.

Band Concerts Seen
  Anson Seabra 6 concerts
  The Vamps 5 concerts
  Dawid Podsiadło 3 concerts
  Ed Sheeran 3 concerts
  Jonah Kagen 2 concerts
  New Hope Club 2 concerts
  Paramore 2 concerts
  sanah 2 concerts
  Taylor Swift 2 concerts
  A$AP Rocky 1 concert
  Adam Beyer 1 concert
  A_GIM 1 concert
  Anfisa Letyago 1 concert
  Ania Leon 1 concert
  An On Bast 1 concert
  Avicii 1 concert
  BadBadNotGood 1 concert
  Biffy Clyro 1 concert
  Billy Lockett 1 concert
  Boys Noize 1 concert
  Cate Le Bon 1 concert
  Catz 'n' Dogz 1 concert
  Chemical Brothers 1 concert
  Cian Ducrot 1 concert
  Cigarettes After Sex 1 concert