M Raff has seen 168 bands.

Band Concerts Seen
  Phish 27 concerts
  Phil Lesh & Friends 26 concerts
  Leftover Salmon 18 concerts
  The Dead 13 concerts
  Bob Weir & RatDog 12 concerts
  Keller Williams 10 concerts
  Railroad Earth 10 concerts
  Dark Star Orchestra 7 concerts
  Robert Hunter 7 concerts
  Tea Leaf Green 7 concerts
  Trey Anastasio Band 7 concerts
  Yonder Mountain String Band 7 concerts
  Del McCoury Band 5 concerts
  Melvin Seals & JGB 5 concerts
  Mike Rafferty and Phriends 5 concerts
  The Other Ones 5 concerts
  Grateful Dead 4 concerts
  Speargrass 4 concerts
  Béla Fleck and the Flecktones 3 concerts
  Bruce Hornsby 3 concerts
  David Grisman 3 concerts
  Furthur Festival 3 concerts
  Gov't Mule 3 concerts
  Leadfoot 3 concerts
  Trampled by Turtles 3 concerts