Mark Michalko has seen 49 bands.

Band Concerts Seen
  Yes 5 concerts
  The Who 4 concerts
  Climax Blues Band 2 concerts
  Elton John 2 concerts
  Golden Earring 2 concerts
  Grand Funk Railroad 2 concerts
  Led Zeppelin 2 concerts
  Procol Harum 2 concerts
  Ten Years After 2 concerts
  Alice Cooper 1 concert
  Alvin Lee 1 concert
  American Tears 1 concert
  Bachman-Turner Overdrive 1 concert
  Black Sabbath 1 concert
  Deep Purple 1 concert
  Edgar Winter 1 concert
  Emerson Lake and Palmer 1 concert
  Eric Clapton 1 concert
  Foghat 1 concert
  Frank Zappa 1 concert
  George Harrison 1 concert
  Gryphon 1 concert
  Humble Pie 1 concert
  Jethro Tull 1 concert
  John Entwhistle's Ox 1 concert