"We wanted it to be real rock 'n' roll, real basic," Dio told WERS' Nasty Habits show.
Some of the songs composed by Butler & Co. ended up in Black Sabbath's Dehumanizer album (1992), such as Master Of Insanity, that appeared later on the album in a slightly new version and clearly faster tempo.
The Best of Black Sabbath does not include any later material with vocalists Glenn Hughes (1986's Seventh Star), Tony Martin (1986–96) or the returning Dio (1992's Dehumanizer).