The Eternal Idol is the thirteenth studio album by the English heavy metal band Black Sabbath, released in November 1987, through Vertigo Records in the UK, and on 8 December 1987, through Warner Bros

Anthony Philip Harford, better known by his stage name Tony Martin, is an English heavy metal vocalist, best known for his time fronting Black Sabbath, initially from 1987 to 1991 and again from 1993