Heiko has seen 23 bands.

Band Concerts Seen
  Yvonne Catterfeld 2 concerts
  BANKS 1 concert
  Britney Spears 1 concert
  Carly Rae Jepsen 1 concert
  Charli XCX 1 concert
  Chelsea Cutler 1 concert
  Hannah Diamond 1 concert
  José González 1 concert
  Kim Petras 1 concert
  Laing 1 concert
  Lana Del Rey 1 concert
  Lauv 1 concert
  Medina 1 concert
  Pitbull 1 concert
  Poppy 1 concert
  Priya ragu 1 concert
  RIN 1 concert
  Silbermond 1 concert
  Siv Jakobsen 1 concert
  Slayyyter 1 concert
  SXTN 1 concert
  Trettmann 1 concert
  Vanessa Mai 1 concert