Justin Demers has seen 108 bands.

Band Concerts Seen
  Mayday Parade 4 concerts
  All Time Low 3 concerts
  blink-182 3 concerts
  John Mayer 3 concerts
  Real Friends 3 concerts
  Angels & Airwaves 2 concerts
  Dawes 2 concerts
  Hot Milk 2 concerts
  Knuckle Puck 2 concerts
  Lyle Brewer 2 concerts
  My Chemical Romance 2 concerts
  Neck Deep 2 concerts
  Sheer Mag 2 concerts
  Shovels & Rope 2 concerts
  The Maine 2 concerts
  Theo Katzman 2 concerts
  "Weird Al" Yankovic 2 concerts
  We The Kings 2 concerts
  Youth Fountain 2 concerts
  5Ever 1 concert
  Action/Adventure 1 concert
  A Day To Remember 1 concert
  AFI 1 concert
  Against the Current 1 concert
  Aoife O'Donovan 1 concert