Mary O Brien836 has seen 123 bands.

Band Concerts Seen
  Black Label Society 6 concerts
  Black Sabbath 6 concerts
  Ozzy Osbourne 6 concerts
  Hatebreed 5 concerts
  Slipknot 4 concerts
  Disturbed 3 concerts
  Iron Maiden 3 concerts
  Killswitch Engage 3 concerts
  Mudvayne 3 concerts
  "Ozzfest" 3 concerts
  Rob Zombie 3 concerts
  The Black Dahlia Murder 3 concerts
  Arch Enemy 2 concerts
  As I Lay Dying 2 concerts
  Atreyu 2 concerts
  Bleeding Through 2 concerts
  Crazy Town 2 concerts
  Dimmu Borgir 2 concerts
  Guns N' Roses 2 concerts
  In Flames 2 concerts
  It Dies Today 2 concerts
  Judas Priest 2 concerts
  Lacuna Coil 2 concerts
  Lamb Of God 2 concerts
  Marilyn Manson 2 concerts