Diego Roman has seen 185 bands.

Band Concerts Seen
  Black Label Society 5 concerts
  Matanza 5 concerts
  Slayer 5 concerts
  Iron Maiden 4 concerts
  Sepultura 3 concerts
  Slipknot 3 concerts
  Alok 2 concerts
  Anthrax 2 concerts
  Avenged Sevenfold 2 concerts
  Bon Jovi 2 concerts
  CPM 22 2 concerts
  De la Tierra 2 concerts
  Faith No More 2 concerts
  Felguk 2 concerts
  Fernanda Abreu 2 concerts
  Gangrena Gasosa 2 concerts
  Helloween 2 concerts
  Kiara Rocks 2 concerts
  Korn 2 concerts
  Mastodon 2 concerts
  Matanza Ritual 2 concerts
  Metallica 2 concerts
  Moonspell 2 concerts
  Nightwish 2 concerts
  Ozzy Osbourne 2 concerts