Recorded over the course of a few days in early 1969, the album is the band's most critically acclaimed, with some citing it as an early work of proto-heavy metal, predating Black Sabbath's debut by one year.
The album is recorded over the course of a few days in early 1969. The album is the band's most critically acclaimed heavy metal. This is with some citing it as an early work of proto. The album is predating Black Sabbath's debut by one year.