Gilbert and Sullivan Ida" showed signs of flagging, Carte realised that, for the first time in the partnership's history, no new opera would be ready when the old one closed. On 22 March 1884, he gave Gilbert and Sullivan contractual notice that a new opera would be required in six months' time. In the meantime, when "Ida" closed, Carte produced a revival of "The Sorcerer". The most successful of the Savoy Operas was "The Mikado" (1885), which made fun of English bureaucracy, thinly disguised by a Japanese setting. Gilbert initially proposed a story for a new opera about a magic lozenge that would
Gilbert and Sullivan put it. The "patter" baritone (or "principal comedian", as these roles later were called) would often assume the leading role in Gilbert and Sullivan's comic operas, and was usually allotted the speedy patter songs. After the success of "Trial by Jury", Gilbert and Sullivan were suddenly in demand to write more operas together. Over the next two years, Richard D'Oyly Carte and Carl Rosa were two of several theatrical managers who negotiated with the team but were unable to come to terms. Carte proposed a revival of "Thespis" for the 1875 Christmas season, which Gilbert and Sullivan would have revised,