I Capture the Castle guests describe each other in terms of famous artists. Topaz is called a work by William Blake, Rose is said to resemble Emma, Lady Hamilton, the muse of the painter George Romney, Simon says that Cassandra is like "Girl with a Mousetrap," a painting by Joshua Reynolds, and Mrs Fox-Cotton is said to be a work by Salvador Dalí "with snakes coming out of her ears". Simon introduces Cassandra to the works of Claude Debussy: "Clair de lune", "La cathédrale engloutie", "La terrasse des audiences du clair de lune". She also listens to J. S. Bach's "Sheep May Safely Graze"
The Carnival of the Animals (better known in the English-speaking world as "Twinkle Twinkle Little Star"), the French nursery rhymes "Au clair de la lune", and "J'ai du bon tabac" (the piano plays the same melody upside down), the popular anthem "Partant pour la Syrie", as well as the aria "Una voce poco fa" from Rossini's "The Barber of Seville" can also be heard. The musical joke in this movement, according to Leonard Bernstein's narration on his recording of the work with the New York Philharmonic, is that the musical pieces quoted are the fossils of Saint-Saëns's time. Two pianos and cello: the lushly romantic