What makes Volumen brutal by Barón Rojo notable?

'Volumen brutal' is significant for its role in defining the heavy metal genre in Spain, paving the way for future rock bands. The album achieved commercial success, reaching high positions on Spanish charts and influencing a generation of musicians with its bold themes and powerful sound. Released on February 22, 1982, 'Volumen brutal' was Barón Rojo's debut album, marking their entry into the Spanish rock scene. At this point, the band was still relatively unknown but quickly gained popularity, establishing themselves as pioneers of heavy metal in Spain during the early 1980s.