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"
Suite bergamasque animation for its intended segment (featuring herons in the Florida Everglades at night) being recycled for the "Blue Bayou" segment of the later film "Make Mine Music". However, the "Claire de lune" segment was later restored after a workprint of it was rediscovered in 1992, complete with original score by Leopold Stokowski and the Philadelphia Orchestra, and is included as a bonus feature in some later releases of "Fantasia". The 1953 ballet "L'ange gris" utilised orchestrations by André Caplet ("Clair de lune") and Gustave Cloëz (the other three pieces). "Passepied" has been arranged by the Punch Brothers for bluegrass instrumentation