Deadline is reporting that the art-pop duo Sparks (Ron & Russell Mael) is developing an original movie musical for Focus Features. The film, entitled X Crucior, will be written and executive produced by the singer/songwriters. No director or plot details have been announced yet. The Sparks Brothers have previously composed the original songs for last year’s musical drama Annette directed by Leos Carax. They were also the subject of the Edgar Wright-directed 2021 documentary The Sparks Brothers, which was released by Focus. X Crucior is currently in development.