Actually.Zach has seen 308 bands.

Band Concerts Seen
  Lady Gaga 10 concerts
  Charli XCX 6 concerts
  LIGHTS 6 concerts
  Milk & Bone 5 concerts
  Florence + the Machine 4 concerts
  Hey Rosetta! 4 concerts
  Homeshake 4 concerts
  Ariana Grande 3 concerts
  Carly Rae Jepsen 3 concerts
  City and Colour 3 concerts
  Cœur de Pirate 3 concerts
  Crayon Pop 3 concerts
  FKA twigs 3 concerts
  Ghostly Kisses 3 concerts
  Glass Animals 3 concerts
  Grimes 3 concerts
  Japanese Breakfast 3 concerts
  KROY 3 concerts
  Lana Del Rey 3 concerts
  Majical Cloudz 3 concerts
  Marina and the Diamonds 3 concerts
  Melanie Martinez 3 concerts
  Men I Trust 3 concerts
  Taylor Swift 3 concerts
  The Black Keys 3 concerts