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
National Gilbert & Sullivan Opera Company music directors for the company. In 2014, the festival registered the company with Companies House as the National Gilbert & Sullivan Opera Company. The company's performances are accompanied by the festival's National Festival Orchestra. It generally presents four productions each year at the festival, and the festival sells videos of most of its productions. In 2018, in connection with the 25th anniversary of the International G&S Festival, the company is presenting six productions in Harrogate, Buxton and on tour. Uniquely among professional companies in Britain, other than D'Oyly Carte, the National Gilbert & Sullivan Opera Company has presented all 13