Playlist Vol. 4 is the fourth studio album by English rock band  Black Sabbath, released in September 1972. It was the first album by Black Sabbath not produced by  Rodger Bain; guitarist  Tony Iommi assumed production duties.  Patrick Meehan, the band’s then manager, was listed as co producer, though his actual involvement in the album’s production was minimal. Tracks All music written […]