Princess Ida Princess Ida Princess Ida; or, Castle Adamant is a comic opera with music by Arthur Sullivan and libretto by W. S. Gilbert. It was their eighth operatic collaboration of fourteen. "Princess Ida" opened at the Savoy Theatre on 5 January 1884, for a run of 246 performances. The piece concerns a princess who founds a women's university and teaches that women are superior to men and should rule in their stead. The prince to whom she had been married in infancy sneaks into the university, together with two friends, with the aim of collecting his bride. They disguise themselves as
Gilbert and Sullivan change the characters, which Sullivan found artificial and lacking in "human interest and probability", as well as being too similar to their earlier opera, "The Sorcerer". As dramatised in the film "Topsy-Turvy", the author and composer were at an impasse until 8 May 1884, when Gilbert dropped the lozenge idea and agreed to provide a libretto without any supernatural elements. The story focuses on a "cheap tailor," Ko-Ko, who is promoted to the position of Lord High Executioner of the town of Titipu. Ko-Ko loves his ward, Yum-Yum, but she loves a musician, who is really the son of the