Beetlejuice The Musical. The Musical. The Musical., or simply Beetlejuice, is a musical with music and lyrics by Eddie Perfect and book by Scott Brown and Anthony King. It is based on the 1988 film of the same name. The story concerns a deceased couple who try to haunt the new inhabitants of their former home and call for help from a devious bio-exorcist ghost named after the star Betelgeuse, who is summoned by saying his name three times. One of the new inhabitants is a young girl, Lydia, who is dealing with her mother's death and her neglectful father.