Gruud has seen 189 bands.

Band Concerts Seen
  Rammstein 6 concerts
  Blue Öyster Cult 5 concerts
  Ange 4 concerts
  AC/DC 3 concerts
  Behemoth 3 concerts
  Guns N' Roses 3 concerts
  Iron Maiden 3 concerts
  Los Disidentes Del Sucio Motel 3 concerts
  Mass Hysteria 3 concerts
  Metallica 3 concerts
  Tool 3 concerts
  Airbourne 2 concerts
  Bandit Bandit 2 concerts
  Deep Purple 2 concerts
  Hangman's Chair 2 concerts
  Judas Priest 2 concerts
  Massive Attack 2 concerts
  Motörhead 2 concerts
  No Age 67 2 concerts
  Opeth 2 concerts
  Pascal Obispo 2 concerts
  Rival Sons 2 concerts
  Robert Plant 2 concerts
  Rotting Christ 2 concerts
  Russian Circles 2 concerts