Óscar has seen 67 bands.

Band Concerts Seen
  Dixebra 6 concerts
  Dream Theater 4 concerts
  Los Suaves 3 concerts
  Mike Portnoy 3 concerts
  AC/DC 2 concerts
  Corquiéu 2 concerts
  Felpeyu 2 concerts
  Ilegales 2 concerts
  Iron Maiden 2 concerts
  Iván Ferreiro 2 concerts
  Nacho Vegas 2 concerts
  Oscar Mulero 2 concerts
  Sagrada Familia 2 concerts
  Silvio Rodríguez 2 concerts
  Abraham Boba 1 concert
  Afraid To Speak In Public 1 concert
  Albert Pla 1 concert
  Amphetamine Discharge 1 concert
  Asgaroth 1 concert
  Barón Rojo 1 concert
  Barricada 1 concert
  Blind Guardian 1 concert
  Bruce Springsteen 1 concert
  Bunbury & Vegas 1 concert
  Cheeto's Magazine 1 concert