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"
Clair de lune (Fauré) 1888, at the instigation of the Princesse de Polignac, he made a version for voice and orchestra, first performed at the Société Nationale de Musique in April of that year, with the tenor Maurice Bàges as soloist. In its orchestral form the song was included in Fauré's incidental music "Masques et bergamasques" in 1919. The original published version (Hamelle, Paris, 1888) is in B-flat minor. The song is dedicated to Fauré's friend the painter Emmanuel Jadin, who was a talented amateur pianist. Clair de lune (Fauré) "Clair de lune", ("Moonlight") Op. 46 No 2, is a song by Gabriel Fauré,