The Story of Gilbert and Sullivan time to take a triumphant curtain call before the enthusiastic crowd. Nevertheless, Sullivan is unhappy writing comic opera. When Gilbert proposes a new piece involving the device of a magic lozenge, Sullivan objects that he wants to devote himself to serious music. Sullivan's friend, critic Joseph Bennett, writes a libretto for a cantata based on Henry Wadsworth Longfellow's "The Golden Legend". Meanwhile, Gilbert, inspired by the sight of a Japanese sword hanging in his study, proposes a new plot, and Sullivan begins work. When Bennett goes to see Sullivan, he finds that "The Mikado" is being rehearsed instead of his
The Mountebanks work was released in 2018. The story of the opera revolves around a magic potion that transforms those who drink it into whoever, or whatever, they pretend to be. The idea was clearly important to Gilbert, as he repeatedly urged his famous collaborator, Arthur Sullivan, to set this story, or a similar one, to music. For example, he had written a treatment of the opera in 1884, which Sullivan rejected, both because of the story's mechanical contrivance, and because they had already produced an opera concerning a magic potion, "The Sorcerer" (1877); Sullivan felt that the story lacked "human emotion".