Leaf21 has seen 27 bands.

Band Concerts Seen
  Beach Bunny 1 concert
  Beach House 1 concert
  Blonde Redhead 1 concert
  Boris 1 concert
  Buckshot 1 concert
  Deadmau5 1 concert
  Death Grips 1 concert
  death's dynamic shroud 1 concert
  Denzel Curry 1 concert
  Drab Majesty 1 concert
  Drain Gang 1 concert
  Frost Children 1 concert
  George Clanton 1 concert
  HIGHER BROTHERS 1 concert
  Holy Fawn 1 concert
  Kero Kero Bonito 1 concert
  Magdalena Bay 1 concert
  Melvins 1 concert
  mr.phylzzz 1 concert
  MSTRKRFT 1 concert
  Panda Bear 1 concert
  QRION 1 concert
  Samia 1 concert
  Sematary 1 concert
  Slowdive 1 concert