Warren Weinberg has seen 15 bands.

Band Concerts Seen
  The Jimi Hendrix Experience 3 concerts
  Janice Joplin w/ Big Brother And The Holding Company 1 concert
  Johnny Winter 1 concert
  Led Zeppelin 1 concert
  MC5 1 concert
  Moby Grape 1 concert
  Neil Young 1 concert
  Phil Collins 1 concert
  Procol Harum 1 concert
  Soft Machine 1 concert
  Ten Years After 1 concert
  The Allman Brothers Band 1 concert
  The Chambers Brothers 1 concert
  The Kingston Trio 1 concert
  The Stooges 1 concert