Murder Rock

Murder Rock Italian Murderock uccide a passo di danza also known as MurderRock 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.

Candice arrives back at her apartment, where she finds Dick waiting. He wants to talk about the potential relationships between the students, and tries to convince Candice that there is nothing going on between him and any of the other students. While he is there, the DJ from the studio, Bob, phones Candice and updates her on the murder at the academy.The next day, the routine at the campus continues as normal, causing Dick a great deal of upset, since nobody seems to care about Susans death. At a nearby coffee shop, Lt. Borges talks to Dick about a possible rivalry between the dancers. That evening at a local nightclub, another student from the academy, Janice, dances alone for an audience and then walks home to her apartment. As with Candice the previous night, she finds Dick waiting and wanting to talk. In her bedroom, Janice finds a photograph of Dick and Susan, but when she calls out to him, he is gone. Janice finds her pet canary dead with a hairpin needle through its body. Panicked, she runs to the front door, where she is attacked and killed by the unseen assailant who thrusts a hairpin needle into her heart. ........

Source: Wikipedia