Brendan Callahan has seen 46 bands.

Band Concerts Seen
  Amason 1 concert
  Beck 1 concert
  Billy Joel 1 concert
  Daya 1 concert
  Deborah Harry 1 concert
  DNCE 1 concert
  Elton John 1 concert
  Gayle 1 concert
  G-Eazy 1 concert
  Grouplove 1 concert
  Huey Lewis and The News 1 concert
  Ice Cube 1 concert
  Jack Johnson 1 concert
  Jason Bonham's Led Zeppelin Evening 1 concert
  Kaleo 1 concert
  Kelly Clarkson 1 concert
  Kesha 1 concert
  Kevin Michael 1 concert
  Lush 1 concert
  Maroon 5 1 concert
  Melanie Martinez 1 concert
  Ministry 1 concert
  MUNA 1 concert
  Music Midtown 1 concert
  Of Monsters and Men 1 concert