Paranoid is the second album by the British heavy metal band Black Sabbath, released in September 1970 through Vertigo Records. The album consists of some of the band's most readily identifiable work including "Iron Man", "War Pigs", and "Paranoid".
The album is regarded as a classic, and one of the most influential of the heavy metal genre. It has been certified quadruple platinum with over four million copies in the US alone, making it Black Sabbath's best-selling album. .