Michael O'shea has seen 57 bands.

Band Concerts Seen
  KISS 4 concerts
  AC/DC 3 concerts
  Black Sabbath 2 concerts
  Heart 2 concerts
  REO Speedwagon 2 concerts
  Robin Trower 2 concerts
  Styx 2 concerts
  Ted Nugent 2 concerts
  The Cars 2 concerts
  U2 2 concerts
  Van Halen 2 concerts
  .38 Special 1 concert
  Aerosmith 1 concert
  A Flock of Seagulls 1 concert
  Aldo Nova 1 concert
  Alice Cooper 1 concert
  Bad Company 1 concert
  Berlin 1 concert
  Blue Öyster Cult 1 concert
  Cheap Trick 1 concert
  David Bowie 1 concert
  Delores Telescope 1 concert
  Deloris Telescope 1 concert
  Eddie Money 1 concert
  Firefall 1 concert