The Young Person's Guide to the Orchestra is a 1946 musical composition by Benjamin Britten with a subtitle Variations and Fugue on a Theme of Purcell. It was based on the second movement, "Rondeau", of the Abdelazer suite. It was originally commissioned for an educational documentary film called Instruments of the Orchestra, directed by Muir Mathieson and featuring the London Symphony Orchestra conducted by Malcolm Sargent.