 He also wrote a work called "Sappho" that year for the Opera Comique, which was not as well received because of a weak libretto.Slaughter later wrote the score to the medieval comic opera "Marjorie" produced by the Carl Rosa Opera Company in 1890 (Prince of Wales's Theatre, 193 performances), and contributed to the Gaiety Theatre's "Cinderella" burlesque, "Cinder-Ellen Up-too-Late" in 1891 and "King Kodak" in 1894.In 1893 he composed the score for a musical farce, "Peggy's Plot", for the German Reeds.