Gary Callaghan has seen 15 bands.

Band Concerts Seen
  Bruce Springsteen 3 concerts
  Pearl Jam 2 concerts
  Band of Horses 1 concert
  Bob Seger & The Silver Bullet Band 1 concert
  Bruce Springsteen & The E Street Band 1 concert
  City and Colour 1 concert
  Frankie Miller 1 concert
  James Taylor 1 concert
  Jason Isbell and the 400 Unit 1 concert
  KISS 1 concert
  Neil Diamond 1 concert
  Nolan Taylor 1 concert
  Prince 1 concert
  The Firm 1 concert
  U2 1 concert