Cost has seen 18 bands.

Band Concerts Seen
  One Direction 4 concerts
  Harry Styles 3 concerts
  Augustana 2 concerts
  claudio baglioni 2 concerts
  Louis Tomlinson 2 concerts
  Michele Bravi 2 concerts
  5 Seconds of Summer 1 concert
  Billie Eilish 1 concert
  Blossoms 1 concert
  Camryn 1 concert
  Ed Sheeran 1 concert
  FIDLAR 1 concert
  Laura Pausini 1 concert
  Mabel 1 concert
  Nesli 1 concert
  Tiziano Ferro 1 concert
  Twenty One Pilots 1 concert
  Wet Leg 1 concert