Once Upon a War

Credits

• Enrique Sierra Santiesteban
  keyboard
• Guillem Morey
  electric bass guitar
• Helevorn
  phonographic copyright
• Josep Brunet
  lead vocals
• Miguel A. Riutort
  arranger, engineer, producer
• Samuel Morales
  electric guitar
• Sandro Vizcaino
  electric guitar
• Xavi Gil
  drums (drum set)