Greg Wallis has seen 267 bands.

Band Concerts Seen
  Little Feat 49 concerts
  Los Lobos 9 concerts
  Buddy Guy 8 concerts
  Grateful Dead 7 concerts
  The Allman Brothers Band 6 concerts
  Bonnie Raitt 5 concerts
  David Bromberg 5 concerts
  Taj Mahal 5 concerts
  Cheap Trick 4 concerts
  Deep Purple 4 concerts
  Eric Clapton 4 concerts
  Jethro Tull 4 concerts
  Journey 4 concerts
  Muddy Waters Blues Band 4 concerts
  Otis rush 4 concerts
  Quicksilver Messenger Service 4 concerts
  Roomful of Blues 4 concerts
  Santana 4 concerts
  The Rolling Stones 4 concerts
  ZZ Top 4 concerts
  Albert Collins & The Icebreakers 3 concerts
  B.B. King 3 concerts
  Bo Diddley 3 concerts
  Ike & Tina Turner 3 concerts
  John Lee Hooker 3 concerts