Brennan has seen 43 bands.

Band Concerts Seen
  070 Shake 1 concert
  50 Cent 1 concert
  Baby Rose 1 concert
  BadBadNotGood 1 concert
  Beast Coast 1 concert
  Burton Cummings 1 concert
  Busta Rhymes 1 concert
  "Canadian National Exhibition" 1 concert
  CJ Fly 1 concert
  Deerhoof 1 concert
  Denzel Curry 1 concert
  Down With Webster 1 concert
  Drake 1 concert
  EKKSTACY 1 concert
  Flatbush Zombies 1 concert
  Haarper 1 concert
  jack irons 1 concert
  Jeremih 1 concert
  Joey Bada$$ 1 concert
  Kaytranada 1 concert
  Kid Cudi 1 concert
  Kirk Knight 1 concert
  Meat Loaf 1 concert
  Mike Dean 1 concert
  Monster Truck 1 concert