Gruud has seen 151 bands.

Band Concerts Seen
  Rammstein 6 concerts
  Ange 4 concerts
  Blue Öyster Cult 4 concerts
  AC/DC 3 concerts
  Guns N' Roses 3 concerts
  Metallica 3 concerts
  Tool 3 concerts
  Airbourne 2 concerts
  Bandit Bandit 2 concerts
  Behemoth 2 concerts
  Dätcha Mandala 2 concerts
  Deep Purple 2 concerts
  Iron Maiden 2 concerts
  Judas Priest 2 concerts
  Los Disidentes Del Sucio Motel 2 concerts
  Mass Hysteria 2 concerts
  Motörhead 2 concerts
  No Age 67 2 concerts
  Pascal Obispo 2 concerts
  Rival Sons 2 concerts
  Russian Circles 2 concerts
  Slayer 2 concerts
  Steve Hackett 2 concerts
  Sting 2 concerts
  Temples 2 concerts