Karls has seen 14 bands.

Band Concerts Seen
  5 Seconds of Summer 5 concerts
  Hey Violet 2 concerts
  GOT7 1 concert
  Halsey 1 concert
  Harry Styles 1 concert
  Holly Humberstone 1 concert
  Kurtis Conner 1 concert
  Olivia Rodrigo 1 concert
  One Direction 1 concert
  ONE OK ROCK 1 concert
  SuperM 1 concert
  Taylor Swift 1 concert
  The Aces 1 concert
  Txt 1 concert