Greg Spencer has seen 91 bands.

Band Concerts Seen
  Blaze Bayley 7 concerts
  Alestorm 6 concerts
  Motionless In White 6 concerts
  Absolva 3 concerts
  The Defiled 3 concerts
  With One Last Breath 3 concerts
  Acrania 2 concerts
  Buried In Verona 2 concerts
  Chelsea Grin 2 concerts
  New Years Day 2 concerts
  Oceano 2 concerts
  Red Rum 2 concerts
  Rumahoy 2 concerts
  Sabaton 2 concerts
  1349 1 concert
  Adept 1 concert
  After the Burial 1 concert
  Airbourne 1 concert
  Ancient Ascendant 1 concert
  Anthrax 1 concert
  Aonia 1 concert
  Asking Alexandria 1 concert
  Avatar 1 concert
  Black Veil Brides 1 concert
  Bleed From Within 1 concert