Heather Mazzi has seen 40 bands.

Band Concerts Seen
  Grayscale 4 concerts
  Jonas Brothers 2 concerts
  Mayday Parade 2 concerts
  Neck Deep 2 concerts
  State Champs 2 concerts
  The Summer Set 2 concerts
  5 Seconds of Summer 1 concert
  All Time Low 1 concert
  Arrows in Action 1 concert
  Bearings 1 concert
  Between You & Me 1 concert
  Boston Manor 1 concert
  Code Orange 1 concert
  Elle King 1 concert
  FEVER 333 1 concert
  fleshwater 1 concert
  Hot Milk 1 concert
  Hot Mulligan 1 concert
  Illusion 1 concert
  Jessie Reyez 1 concert
  Just Friends 1 concert
  Killswitch Engage 1 concert
  LØLØ 1 concert
  Mom Jeans. 1 concert
  No Pressure 1 concert