Jon Erdmann has seen 21 bands.

Band Concerts Seen
  Guster 20 concerts
  Barenaked Ladies 2 concerts
  Jimmy Buffett 2 concerts
  Aqualung 1 concert
  Brett Dennen 1 concert
  Colorado Symphony Orchestra 1 concert
  Dispatch 1 concert
  Eric Hutchinson 1 concert
  Howie Day 1 concert
  Ingrid Michaelson 1 concert
  Kishi Bashi 1 concert
  Matt Nathanson 1 concert
  O.A.R. 1 concert
  One eskimO 1 concert
  The Avett Brothers 1 concert
  The Fray 1 concert
  The Lone Bellow 1 concert
  Train 1 concert
  Trampled by Turtles 1 concert
  Weezer 1 concert
  Will Hoge 1 concert