Jakub Konstanty has seen 11 bands.

Band Concerts Seen
  Accept 1 concert
  Deep Purple 1 concert
  Ghost 1 concert
  Iron Maiden 1 concert
  Kreator 1 concert
  Lamb Of God 1 concert
  Lord of the Lost 1 concert
  Metallica 1 concert
  Municipal Waste 1 concert
  The Iron Maidens 1 concert
  Within Temptation 1 concert