Roy Douglas

Richard Roy Douglas (12 December 1907 – 23 March 2015) was an English composer, pianist and arranger. 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. Provided by Wikipedia