Doctor Jay Z has seen 71 bands.

Band Concerts Seen
  Godsmack 5 concerts
  Korn 4 concerts
  Rusted Root 3 concerts
  System of a Down 3 concerts
  Evanescence 2 concerts
  Incubus 2 concerts
  Kid Rock 2 concerts
  Limp Bizkit 2 concerts
  Metallica 2 concerts
  Rage Against The Machine 2 concerts
  Sevendust 2 concerts
  Soulfly 2 concerts
  Static-X 2 concerts
  Taproot 2 concerts
  12 Stones 1 concert
  Alice In Chains 1 concert
  Atari Teenage Riot 1 concert
  Atreyu 1 concert
  AWOLNATION 1 concert
  Black Label Society 1 concert
  Black Sabbath 1 concert
  Breaking Benjamin 1 concert
  Bush 1 concert
  Coal Chamber 1 concert
  Counting Crows 1 concert