Panos Cosmatos explains why he found a natural kinship with the composer for his heavy metal cult hit. In “Mandy,” Nicolas Cage goes on a wild-eyed quest for revenge, but the movie’s plot comes ...

Although the film’s aesthetic owes just as much to bad-trip ’70s psychedelia, the phrase you’ll hear most often when describing the psychotronic new Nicolas Cage vehicle Mandy is “heavy metal.” (In ...