Osman Yolaçan has seen 30 bands.

Band Concerts Seen
  Horna 2 concerts
  Archgoat 1 concert
  Ash Code 1 concert
  Blood Stained Dusk 1 concert
  Book of Black Earth 1 concert
  Grim Reaper 1 concert
  Kælan Mikla 1 concert
  KANGA 1 concert
  KISS 1 concert
  Kommandant 1 concert
  Krieg 1 concert
  L'Avenir 1 concert
  Maryland Deathfest 1 concert
  Minuit Machine 1 concert
  Morbid Angel 1 concert
  Nominon 1 concert
  Pantera 1 concert
  Peter Murphy 1 concert
  Quinta Essentia 1 concert
  She Past Away 1 concert
  Skid Row 1 concert
  Slayer 1 concert
  Static-X 1 concert
  "Steelfest Open Air" 1 concert
  Ted Nugent 1 concert