Hellhammer, the short-lived pioneer black metal that would go on to become Celtic Frost, existed from 1982 to 1984 and never released a proper full-length. We know of Hellhammer through compilations ...

Celtic Frost formed in 1984 as a reboot of Hellhammer ... Fischer wrote to his compatriot Giger to ask if they could use Satan I for a record cover, enclosing a demo tape, and imagining that would be ...