Walpurgis was recorded by Black Sabbath, so it's their song. "Walpurgis" was more or less a demo that the band later adapted into "War Pigs". Ozzy dug out one of his old Sabbath tapes and released it in his best-of compilation The Ozzman Cometh making clear it was an old Black Sabbath track.
Walpurgis was recorded by Black Sabbath, so it's their song. "Walpurgis" was more or less a demo that the band later adapted into "War Pigs". Ozzy dug out one of his old Sabbath tapes and released it in his best-of compilation The Ozzman Cometh making clear it was an old Black Sabbath track.