Lennert K has seen 150 bands.

Band Concerts Seen
  Iron Maiden 10 concerts
  Metallica 9 concerts
  Foo Fighters 6 concerts
  Alter Bridge 5 concerts
  Halestorm 5 concerts
  Rammstein 4 concerts
  Guns N' Roses 3 concerts
  Linkin Park 3 concerts
  Muse 3 concerts
  Volbeat 3 concerts
  Within Temptation 3 concerts
  AC/DC 2 concerts
  Airbourne 2 concerts
  Anouk 2 concerts
  Avenged Sevenfold 2 concerts
  Bullet for My Valentine 2 concerts
  Death from Above 1979 2 concerts
  Ghost 2 concerts
  Green Day 2 concerts
  Intwine 2 concerts
  Limp Bizkit 2 concerts
  Marilyn Manson 2 concerts
  Megadeth 2 concerts
  Queens of the Stone Age 2 concerts
  Slash featuring Myles Kennedy and the Conspirators 2 concerts