Black Sabbath Vol 4

Released in 1972, 'Black Sabbath Vol 4' showcases the band's signature heavy metal sound while exploring more diverse musical styles, including orchestral arrangements and ballads. The album features iconic tracks such as 'Changes,' a poignant reflection on personal transformation, and 'Snowblind,' which delves into the darker themes of addiction. This album is significant for its experimentation and solidified Black Sabbath's influence on the genre.