Gilbert and Sullivan ancestor and the device of the ghostly ancestors stepping out of their portraits. When "Ruddigore" closed, no new opera was ready. Gilbert again proposed a version of the "lozenge" plot for their next opera, and Sullivan reiterated his reluctance to set it. While the two men worked out their artistic differences, and Sullivan finished other obligations, Carte produced revivals of such old favourites as "H.M.S. Pinafore", "The Pirates of Penzance", and "The Mikado". "The Yeomen of the Guard" (1888), their only joint work with a serious ending, concerns a pair of strolling players—a jester and a singing girl—who are caught
Gilbert and Sullivan de Corneville"). Hundreds of unauthorised, or "pirated", productions of "Pinafore" appeared in America. During the run of "Pinafore", Richard D'Oyly Carte split up with his former investors. The disgruntled former partners, who had invested in the production with no return, staged a public fracas, sending a group of thugs to seize the scenery during a performance. Stagehands successfully managed to ward off their backstage attackers. This event cleared the way for Carte, Gilbert and Sullivan to form the D'Oyly Carte Opera Company, which then produced all of their succeeding operas. The libretto of "H.M.S. Pinafore" relied on stock character types,