Jef Clark has seen 103 bands.

Band Concerts Seen
  Aerosmith 2 concerts
  Breaking Benjamin 2 concerts
  Bush 2 concerts
  Catch Your Breath 2 concerts
  KidCutUp 2 concerts
  Luke Bryan 2 concerts
  P!nk 2 concerts
  Skillet 2 concerts
  Tool 2 concerts
  Alana Springsteen 1 concert
  Benson Boone 1 concert
  Big & Rich 1 concert
  Biohazard 1 concert
  Bones UK 1 concert
  Bryan Adams 1 concert
  Cheap Trick 1 concert
  Chevelle 1 concert
  Coheed and Cambria 1 concert
  Corrosion Of Conformity 1 concert
  Cowboy Mouth 1 concert
  Crossfade 1 concert
  Daughtry 1 concert
  Def Leppard 1 concert
  Dethklok 1 concert
  Diamante 1 concert