J Larry5000 has seen 150 bands.

Band Concerts Seen
  Mastodon 6 concerts
  Anthrax 4 concerts
  Clutch 4 concerts
  Gojira 3 concerts
  Quicksand 3 concerts
  Arlo Parks 2 concerts
  Basehead 2 concerts
  Beastie Boys 2 concerts
  Blues Traveler 2 concerts
  David Kushner 2 concerts
  Faith No More 2 concerts
  Fishbone 2 concerts
  Greatful Dead 2 concerts
  Green Day 2 concerts
  Megadeth 2 concerts
  Metallica 2 concerts
  Nine Inch Nails 2 concerts
  Porno for Pyros 2 concerts
  Primus 2 concerts
  Rusted Root 2 concerts
  Slayer 2 concerts
  Suicidal Tendencies 2 concerts
  Testament 2 concerts
  The Jesus and Mary Chain 2 concerts
  The Smashing Pumpkins 2 concerts