Mark Decker has seen 382 bands.

Band Concerts Seen
  KISS 11 concerts
  Van Halen 11 concerts
  Metallica 9 concerts
  Gov't Mule 8 concerts
  Judas Priest 8 concerts
  Ted Nugent 8 concerts
  Iron Maiden 7 concerts
  Rush 7 concerts
  Journey 6 concerts
  The Who 6 concerts
  Def Leppard 5 concerts
  Eric Church 5 concerts
  Joan Jett & The Blackhearts 5 concerts
  Mötley Crüe 5 concerts
  Neil Diamond 5 concerts
  Testament 5 concerts
  Barry Manilow 4 concerts
  Black Sabbath 4 concerts
  Cheap Trick 4 concerts
  Lynyrd Skynyrd 4 concerts
  Ozzy Osbourne 4 concerts
  Queensrÿche 4 concerts
  Scorpions 4 concerts
  Steve Miller Band 4 concerts
  Tom Petty And The Heartbreakers 4 concerts