Michal Zieniuk has seen 70 bands.

Band Concerts Seen
  Slipknot 4 concerts
  Alestorm 3 concerts
  Bury Tomorrow 3 concerts
  Machine Head 3 concerts
  While She Sleeps 3 concerts
  Anthrax 2 concerts
  Ice Nine Kills 2 concerts
  Korn 2 concerts
  Metallica 2 concerts
  Polaris 2 concerts
  Skindred 2 concerts
  Slayer 2 concerts
  A Day To Remember 1 concert
  Alien Weaponry 1 concert
  Amon Amarth 1 concert
  As Everything Unfolds 1 concert
  Avenged Sevenfold 1 concert
  Beartooth 1 concert
  Behemoth 1 concert
  Biffy Clyro 1 concert
  Bokassa 1 concert
  Bootyard Bandits 1 concert
  Caskets 1 concert
  Defects 1 concert
  Disturbed 1 concert