Question: The Prince of the Pagodas's music was commissioned from a composer who passed away in which year ?

Related documents: [0]  [DOC] Edward Benjamin Britten, Baron Britten {'1': ", '2': ", '3': ", '4': "} (22 November 1913 – 4 December 1976) was an English composer, conductor and pianist. He was a central figure of 20th-century British classical music, with a range of works including opera, other vocal music, orchestral and chamber pieces. His best-known works include the opera "Peter Grimes" (1945), the "War Requiem" (1962) and the orchestral showpiece "The Young Person's Guide to the Orchestra" (1945). [END] 
[1]  [DOC] The Prince of the Pagodas is a ballet created for The Royal Ballet in 1957, by choreographer John Cranko, with music commissioned from Benjamin Britten. The ballet was later revived in a new production by Kenneth MacMillan in 1989, achieving widespread acclaim for Darcey Bussell's premiere in a principal role. The world premiere of Cranko's original production took place on 1 January 1957, at the Royal Opera House, Covent Garden, London, conducted by the composer. MacMillan's production premiering at the same venue on 7 December 1989. A recording of a slightly cut version of the score was produced with Britten conducting the orchestra of the Royal Opera House. [END]  
Answer: 1976
1976