“It had a 13-minute spoken-word black mass on the B-side”: The mysterious late 60s album that Opeth’s Mikael Akerfeldt says invented Satanic rock
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“It had a 13-minute spoken-word black mass on the B-side”: The mysterious late 60s album that Opeth’s Mikael Akerfeldt says invented Satanic rock

Six months before Black Sabbath released their landmark debut album, another band were praising Satan