77

77 (often stylized as '77) is a Spanish hard rock band that serves as a dedicated vessel for the 1970s rock aesthetic. Emerging from Barcelona, the band's identity is inextricably linked to the 'High Voltage' era of AC/DC, characterized by Bon Scott-style raspy vocals, Gibson SG-driven riffs, and a minimalist, driving rhythm section.

Their sound identity is built on analog purity, utilizing vintage equipment to replicate the warm, saturated textures of classic rock recordings. While they are often categorized alongside 'New Wave of Traditional Heavy Metal' or 'Retro Rock' peers like Airbourne or Sideburn, 77 leans more heavily into the boogie-rock and blues-rock foundations of the genre. Their career arc has seen them maintain a consistent stylistic focus, earning a reputation for high-energy live performances that mirror the raw intensity of their studio output. Critical consensus positions them as masters of a specific niche, praised for their authenticity and technical execution of a classic sound that remains a staple of the international rock underground.