Still Life (1990)

The alleys of downtown Manhattan become a modern killing field when corpses begin turning up, disfigured and gruesomely posed to appear as pieces of art.In the frightening climate of the "Art Killer", Peter Sherwood, a struggling musician, is hired to compose for a patron of the arts, and thinks his dreams are coming true. But as the body count continues to rise, the clues surrounding the murders oddly begin to lead police closer and closer to Peter and his new job. Suddenly, all eyes are on Peter and he must scramble to find the real killer - before he becomes his next masterpiece.

Unfortunately the movie Still Life is not yet available on HBO Max.