Sam Robert Calvin has seen 18 bands.

Band Concerts Seen
  Alien Weaponry 1 concert
  All Time Low 1 concert
  Bad Wolves 1 concert
  Behemoth 1 concert
  Brass Against 1 concert
  Carcass 1 concert
  Cypress Hill 1 concert
  Elvana 1 concert
  Jamiroquai 1 concert
  Limp Bizkit 1 concert
  Paramore 1 concert
  Red Hot Chili Peppers 1 concert
  Skindred 1 concert
  Slipknot 1 concert
  Three Days Grace 1 concert
  Tool 1 concert
  Weezer 1 concert
  You Me At Six 1 concert