William Winn has seen 12 bands.

Band Concerts Seen
  Metallica 2 concerts
  Mötley Crüe 2 concerts
  Aerosmith 1 concert
  Bon Jovi 1 concert
  Cinderella 1 concert
  Def Leppard 1 concert
  Poison 1 concert
  Queensrÿche 1 concert
  Tesla 1 concert
  The Jeff Healy Band 1 concert
  Warrant 1 concert
  ZZ Top 1 concert