Black Sabbath (All Region DVD) 1963 Michèle Mercier, Lidia Alfonsi, Boris Karloff

Boris Karloff hosts a trio of horror stories concerning a stalked call girl, a patriarch who has become a monster, and a nurse who is haunted.
Director: Mario Bava
BIRTH OF A HEAVY METAL BAND: Heavy metal band Black Sabbath. In 1968, were then called Earth. Playing a small club in Birmingham. Across the street was a Cinema showing the film Black Sabbath. The band noticed more people were queuing see the movie than were to see the band. Realizing that "horror sells tickets" they decided to change the band's name to Black Sabbath.