Murder Rock (Italian: Murderock - uccide a passo di danza; also known as Murder-Rock: Dancing Death, Slashdance and The Demon Is Loose!) is a 1984 Italian giallo film starring Olga Karlatos and Ray Lovelock, and written and directed by Lucio Fulci. Fulci recalled the producer forced him to turn the film into a musical with the music of Keith Emerson due to the success of Flashdance. Plot At the Arts for the Living Center in New York, Candice Norman (Olga Karlatos) oversees the latest dance routine choreographed by Margie (Geretta Marie Fields). Candice tells Margie that the act needs even "more perfection" in preparation for a visit from three talent agents. The academy director Dick Gibson (Claudio Cassinelli) meets with TV producers Bob Steiner and John Morris, who watch a video of the dance, and Candice learns that the men will only select three dancers for an upcoming TV show. That evening after the dance class is over, one of the dancers, Susan, is murdered in the locker room by an unseen person who chloroforms then stabs her in the heart with a long hairpin...