Gage O'brien has seen 819 bands.

Band Concerts Seen
  Gwar 9 concerts
  After the Burial 5 concerts
  Alkaline Trio 5 concerts
  Bully Maguire 5 concerts
  The Prozacs 5 concerts
  Bayside 4 concerts
  Behemoth 4 concerts
  Between The Buried And Me 4 concerts
  Born of Osiris 4 concerts
  Cattle Decapitation 4 concerts
  Danzig 4 concerts
  Dying Fetus 4 concerts
  Escuela Grind 4 concerts
  Impending Doom 4 concerts
  Kataklysm 4 concerts
  Ministry 4 concerts
  Minus the Bear 4 concerts
  Mushroomhead 4 concerts
  Napalm Death 4 concerts
  New Found Glory 4 concerts
  NOFX 4 concerts
  The Menzingers 4 concerts
  Whitechapel 4 concerts
  Wilco 4 concerts
  Against Me! 3 concerts