sung as "Now wouldn't you like to rule the roost" instead of "roast" (rhymes with "clear the coast" in the next couplet). This typographical error appeared in early vocal scores and still appears in a current Chappell vocal score edition, although some scores have corrected it. Act III 21. "Death to the invader" (Melissa and Chorus of Girls) 22. "Whene'er I spoke" (King Gama with Chorus of Girls)4 23. "I built upon a rock" (Princess) 24. "When anger spreads his wing" (Chorus of Girls and Soldiers) 25. "This helmet, I suppose" (Arac with Guron, Scynthius and Chorus) 26. Chorus during the fight, "This is our duty plain" (Chorus) 27. "With joy abiding" [Reprise of "Expressive glances"] (Ensemble) 4 In the original production, No. 22 followed No. 23. The present order first appeared in vocal scores published after the first London revival in 1919. Gilbert claimed that "If you give me your attention" was a satiric self-reference, saying: "I thought it my duty to live up to my reputation". Tom Lehrer performs a parody of the same song called "The Professor's Song". Music from the overture of Ida is heard in Mickey, Donald, Goofy: The Three Musketeers. Versions of the text Princess Ida was not revived in London during the authors' lifetimes, and there were no substantive changes to the text after the premiere. The one alteration was purely cosmetic: the first act had originally been called a "Prologue." It was re-designated Act I, with a consequent renumbering of the remaining acts. At around the time of the first London revival, in 1919, there were changes to the running order of Act III. As written originally, the sequence of Act III is as follows: "Death to the invader" Princess Ida addresses the girls and then dismisses them "I built upon a rock" (Princess) The girls re-enter, shortly followed by King Gama "When e'er I spoke sarcastic joke" (King Gama, Ladies' Chorus) Dialogue in which the Princess agrees to let her brothers fight for her "When anger spreads his wing" (Double chorus) Dialogue preceding the fight "This helmet, I suppose" (Arac, Guron, Scynthius, Chorus) "This is our duty plain" (Chorus during the fight) Dialogue and finale As re-ordered in the 1920s, the running order is as follows: "Death to the invader" Princess Ida addresses the girls and then dismisses them The girls re-enter, shortly followed by King Gama "When e'er I spoke