Mary De Balfo has seen 46 bands.

Band Concerts Seen
  Metric 3 concerts
  10 Years 2 concerts
  Blaqk Audio 2 concerts
  The Phoenix Symphony 2 concerts
  AFI 1 concert
  Against Me! 1 concert
  Alter Der Ruine 1 concert
  Assassin's Creed Symphony 1 concert
  Assemblage 23 1 concert
  Avenged Sevenfold 1 concert
  blink-182 1 concert
  Calvin Harris 1 concert
  Cheap Girls 1 concert
  CHVRCHES 1 concert
  Cold War Kids 1 concert
  Cosmonauts 1 concert
  Deafheaven 1 concert
  Fences 1 concert
  Fleetwood Mac 1 concert
  From Ashes to New 1 concert
  Gojira 1 concert
  Green Day 1 concert
  Half Moon Run 1 concert
  Ice Cube 1 concert
  July Talk 1 concert