Grant Klein has seen 33 bands.

Band Concerts Seen
  Black Pumas 1 concert
  CARR 1 concert
  Clutch 1 concert
  Cody Jinks 1 concert
  Dinosaur Jr. 1 concert
  Fall Out Boy 1 concert
  Foo Fighters 1 concert
  Green Day 1 concert
  Greensky Bluegrass 1 concert
  Herbie Hancock 1 concert
  Hot Mulligan 1 concert
  Jeff Parker 1 concert
  Jimmy Eat World 1 concert
  Joan Jett 1 concert
  KennyHoopla 1 concert
  Makaya McCraven 1 concert
  May Erlewine 1 concert
  Modest Mouse 1 concert
  O.A.R. 1 concert
  Phantogram 1 concert
  Red Fang 1 concert
  Red Hot Chili Peppers 1 concert
  Rise Against 1 concert
  Simple Plan 1 concert
  Sum 41 1 concert