The document discusses horror film soundtracks, noting they are often darkly romantic but influenced by impressionism, atonality, and surrealism. It lists popular horror soundtracks such as Halloween, The Exorcist, Psycho, Jaws, Saw, and The Wicker Man. The purpose of horror soundtracks is to represent the film's tone and genre through music since non-diegetic sound is crucial in horror films with little dialogue to make the film recognizable, as aimed for in the author's short film which relies on music over dialogue or diegetic sound.