Erik Mac Neil has seen 30 bands.

Band Concerts Seen
  Anthrax 3 concerts
  Slayer 3 concerts
  Judas Priest 2 concerts
  Lamb Of God 2 concerts
  As I Lay Dying 1 concert
  Asking Alexandria 1 concert
  Behemoth 1 concert
  Betraying The Martyrs 1 concert
  Black Label Society 1 concert
  Black Sabbath 1 concert
  Children Of Bodom 1 concert
  Come the Dawn 1 concert
  Dirtfedd 1 concert
  Drain STH 1 concert
  Exodus 1 concert
  Godsmack 1 concert
  High On Fire 1 concert
  Holy Grail 1 concert
  Mastodon 1 concert
  "Metal Alliance Tour" 1 concert
  Metallica 1 concert
  Motörhead 1 concert
  Municipal Waste 1 concert
  Ozzy Osbourne 1 concert
  Slipknot 1 concert