Ian Crumb has seen 13 bands.

Band Concerts Seen
  Three Days Grace 3 concerts
  Chevelle 1 concert
  Ed Sheeran 1 concert
  From Ashes to New 1 concert
  Hollywood Undead 1 concert
  Loathe 1 concert
  Saint Asonia 1 concert
  Seether 1 concert
  Shinedown 1 concert
  Skillet 1 concert
  Starset 1 concert
  Tech N9ne 1 concert
  Theory of a Deadman 1 concert