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 copyrights expired at the end of 1961, and even afterwards, the D'Oyly Carte Opera Company influenced productions of the operas worldwide, creating a "performing tradition" for most of the operas that is still referred to today by many directors, both amateur and professional. Indeed, Gilbert, Sullivan and Carte had an important influence on amateur theatre. Cellier and Bridgeman wrote in 1914 that, prior to the creation of the Savoy operas, amateur actors were treated with contempt by professionals. After the formation of amateur Gilbert and Sullivan companies in the 1880s licensed to perform the operas, professionals recognised that the amateur