Firefly13 has seen 56 bands.

Band Concerts Seen
  The Killers 3 concerts
  Enanitos Verdes 2 concerts
  Imagine Dragons 2 concerts
  Phoenix 2 concerts
  Babasonicos 1 concert
  Band of Horses 1 concert
  Brandon Flowers 1 concert
  Cafe Tacvba 1 concert
  Camilo Septimo 1 concert
  Capital Cities 1 concert
  Cartel de Santa 1 concert
  CHVRCHES 1 concert
  DLD 1 concert
  Don Diablo 1 concert
  El Gran Silencio 1 concert
  Emmanuel 1 concert
  Empire of the Sun 1 concert
  Enrique Bunbury 1 concert
  Foals 1 concert
  Fobia 1 concert
  Franz Ferdinand 1 concert
  Garbage 1 concert
  Interpol 1 concert
  Jake Bugg 1 concert
  Jason Derulo 1 concert