Just Mj has seen 24 bands.

Band Concerts Seen
  AC/DC 2 concerts
  KISS 2 concerts
  Metallica 2 concerts
  Queensrÿche 2 concerts
  Alanis Morissette 1 concert
  All That Remains 1 concert
  Billy Squier 1 concert
  Dio 1 concert
  Godsmack 1 concert
  Joan Jett & The Blackhearts 1 concert
  Judas Priest 1 concert
  Megadeth 1 concert
  Ozzy Osbourne 1 concert
  Papa Roach 1 concert
  Ratt 1 concert
  REO Speedwagon 1 concert
  Seether 1 concert
  Slash featuring Myles Kennedy and the Conspirators 1 concert
  Slaughter 1 concert
  Ted Nugent 1 concert
  The Black Crowes 1 concert
  White Lion 1 concert
  Winger 1 concert
  ZZ Top 1 concert