Title: 2005 in British music
Content:  composer Stephen Warbeck, who scored a new ballet, Peter Pan, and Northern Irish composer Ian Wilson, whose concerto, Sullen Earth, had its first performance. For the wedding of Charles, Prince of Wales, Alun Hoddinott produced a Celebration Fanfare, and another Welsh composer, Karl Jenkins, released his Requiem, which quickly topped the classical charts. Master of the Queen's Music, Sir Peter Maxwell Davies, continued his series of Naxos Quartets with Nos. 6 and 7. Extracts from James Whitbourn's new oratorio, Annelies (based on The Diary of Anne Frank) were first performed at the National UK Holocaust Memorial Day in Westminster Hall, London on 27 January; the full première of the work took place in April.
Title: Gary William Friedman
Content: Celebration, a contemporary setting of the traditional Friday night service, commissioned by Roger L. Stevens for John F. Kennedy Center for the Performing Arts (1971), premiered at Temple Israel of the City of New York (1973) ; An American S'Lichot, commissioned and premiered by Cantor Jack Chomsky at Congregation Tifereth Israel, Columbus, Ohio (1983) ; Song Of Songs, for Cantor, Choir and Orchestra, commissioned and performed by Cantor Nate Lam at Stephen Wise Synagogue, Los Angeles (1988) 
Title: Birmingham Triennial Music Festival
Content:  In 1873 the Festival commissioned Arthur Sullivan who composed his oratorio The Light of the World. The 1879 Festival commissioned a work from Max Bruch, Das Lied von der Glocke. In 1882 Charles Gounod was commissioned and produced Redemption, which was performed twice. In 1885 Antonín Dvořák provided The Spectre's Bride and Gounod provided Mors et Vita. In 1891 Dvořák's commission delivered his Requiem for £650. 1900 saw the commission The Dream of Gerontius from Edward Elgar. The chorus master, Charles Swinnerton Heap had died suddenly four months before the concert was due, and with ten works in hand and only one copy of the score, rehearsal started only a few days before the performance date. It was not sung well but was strongly applauded and well reviewed as a composition. He returned in 1903 with The Apostles, and 1906 with The Kingdom. His commission for 1912 created The Music Makers, incorporating themes from the Enigma Variations, Gerontius, his violin concerto, and The Apostles. The principal conductor for 1912 was Henry Wood.
Title: Cecilia McDowall
Content:  Aleppo (2018), was based on Nujeen Mustafa's biography, retold by Kevin Crossley-Holland. Night Flight was composed in 2013 to commemorate the pioneering flight of the American aviatrix, Harriet Quimby across the English Channel. Its first performance was given by the Choir of Clare College, Cambridge at the Fringe in the Fen Festival on 6 July, 2013. Another cantata, Seventy degrees below zero, was commissioned by the Scott Polar Research Institute and the City of London Sinfonia as part of the Scott 100 Festival of Events in 2012, and premiered at Symphony Hall, Birmingham on 3 February 2012. Other choral pieces include When time is broke (Three Shakespeare Songs), written 
Title: Django Bates
Content:  As You Like It (RSC), and Campbell Graham's Out There!. He was the inaugural artistic director of the music festival FuseLeeds in 2004. He used this opportunity to initiate the first orchestral commission for Jonny Greenwood of Radiohead. Django also commissioned sixty composers including Laurie Anderson, Gavin Bryars, Patrick Moore, and John Zorn, to write one bar each. He then quilted these bars into the piece "Premature Celebration", which was performed by Evan Parker and the London Sinfonietta to celebrate Parker's 60th birthday. The Wire voted Bates Best UK Jazz Composer in 1987 and 1990. In 1997, he won the Jazzpar Prize. In 2008, he was nominated for the PRS New Music Award. He was awarded a fellowship by the Leeds College of Music in 1995.
Title: Roy Wales
Content:  Wales has worked closely with British composer Paul Patterson over several decades. The London Student Chorale commissioned Patterson's Kyrie for choir and prepared piano, and Wales conducted the World Premiere at St John's Smith Square on 17 March 1972 with the composer at the piano. Kyrie was also performed by the choir and conducted by Wales a month later at the Third International University Choral Festival at the Lincoln Centre in New York. Kyrie was recorded for the BBC in October 1972. Patterson's companion piece, Gloria, written for Wales and the London Chorale, was premiered on 24 March 1973 at the Royal Albert Hall. Gloria was performed by the same forces again at the Queen Elizabeth Hall on 24 June 1973, reviewed by The Daily Telegraph. Kyrie and Gloria 
Title: Malcolm Williamson
Content:  and Julius Caesar Jones as well as cassations, which are short operas with audience participation. The cassation The Valley and the Hill was written for the Silver Jubilee of Queen Elizabeth II in 1977 and performed by 18,000 children. The composer's largest choral work, his Mass of Christ the King, was commissioned by the Three Choirs Festival, also for the 1977 jubilee. It attracted attention partly because Williamson delivered it late. Scored for two sopranos, tenor, baritone; soprano, alto, tenor, bass (henceforth SATB) chorus; SATB echo choir; and large orchestra, the work received several performances over a few years, including a live BBC broadcast in 1981, 
Title: Russell Keable
Content:  live performance of Korngold's film score The Sea Hawk. He is a noted advocate for British composers. With the Kensington Symphony Orchestra, he has led first performances of works by many British composers, including Peter Maxwell Davies, John Woolrich, Robin Holloway, David Matthews and John McCabe. He has also made recordings of several works by Robert Simpson. His 2004 performance of the premiere of Errollyn Wallen’s Spirit Symphony won the Ivors Composer Award in the BBC Radio 3 Listeners’ category in 2005. Keable has written works for many British ensembles. His opera, Burning Waters, was commissioned by the Buxton Festival and premiered in 2000.
Title: Albert Ketèlbey
Content:  as In a Persian Market (1920), In a Chinese Temple Garden (1923), and In the Mystic Land of Egypt (1931) became best-sellers in print and on records; by the late 1920s he was Britain's first millionaire composer. His celebrations of British scenes were equally popular: examples include Cockney Suite (1924) with its scenes of London life, and his ceremonial music for royal events. His works were frequently recorded during his heyday, and a substantial part of his output has been put on CD in more recent years. Ketèlbey's popularity began to wane during the Second World War and his originality also declined; 
Title: George Dalaras
Content:  with Choirmaster Katerina Vasilikou. The proceeds of both concerts were offered to the Association of Rehabilitation for Addicted persons "THE RETURN". Among the rest of its leads, the Orchestra wrote history in cinema when, in 1939, it recorded the soundtrack of Walt Disney’s Fantasia –a peak cartoon character movie which facilitated the popularization of symphony music in the United States. ; In November 2010, George Dalaras had a unique concert in New York at Lincoln Center with CityMusic Cleveland conducted by Alexandros Myrat. The works of the Greek-Canadian composer Christos Hadzis "Credo" and "Telluric Dances" were presented for the 

Question: Who was the composer of Celebration?
Answer: Harvey Schmidt.
Harvey Lester Schmidt.