Martha :) has seen 18 bands.

Band Concerts Seen
  Harry Styles 2 concerts
  Benee 1 concert
  Burna Boy 1 concert
  Christopher 1 concert
  Conan Gray 1 concert
  Cro 1 concert
  Louis Tomlinson 1 concert
  Mallrat 1 concert
  Martin Garrix 1 concert
  Meduza 1 concert
  Niall Horan 1 concert
  Nothing But Thieves 1 concert
  P1Harmony 1 concert
  Sam Smith 1 concert
  SEVENTEEN 1 concert
  Shirin David 1 concert
  The Chainsmokers 1 concert
  Wet Leg 1 concert