Question: When did the composer of film The Bells Go Down die?
Sentence (from "Roy Douglas"): He worked as musical assistant to Ralph Vaughan Williams, William Walton, and Richard Addinsell, made well-known orchestrations of works such as "Les Sylphides" (based on piano pieces by Chopin) and Addinsell's "Warsaw Concerto", and wrote a quantity of original music.
Relevant evidence: No