Gilbert and Sullivan a composer of comic opera—that a musical knight should not stoop below oratorio or grand opera. Sullivan, despite the financial security of writing for the Savoy, increasingly viewed his work with Gilbert as unimportant, beneath his skills, and repetitious. Furthermore, he was unhappy that he had to simplify his music to ensure that Gilbert's words could be heard. But paradoxically, in February 1883, just after "Iolanthe" opened, Sullivan had signed a five-year agreement with Gilbert and Carte requiring him to produce a new comic opera on six months' notice. "Princess Ida" (1884) spoofed women's education and male chauvinism and continued
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,