Jay Sydeman
William Jay Sydeman (May 8, 1928 - May 27, 2021) bụ onye America na-ede egwu. A mụrụ ya na New York. Ọ gụrụ akwụkwọ na Mahadum Duke, ma nweta nzere B.S. na 1955 site na Mannes School of Music, ebe ọ gụrụ akwụkwọ ya na Felix Salzer, Roy Travis, na Roger Sessions. Ọ natara nzere masta ya na egwu site na Hartt School na 1958, na-amụ n'okpuru Arnold Franchetti na Goffredo Petrassi. Site na 1959 ruo 1970 ọ sonyeere ngalaba na-ede egwu na alma mater ya Mannes School of Music.

N'afọ 1951, ọ lụrụ Hope Millholland, onye na-akpọ piano na nwa akwụkwọ ibe ya na Mannes.

Wìnning early acclaim for his avant garde music (principally published by CF Peter's).he felt trapped  by the prevailing orthodoxies and moved to California in 1970. Beginning a period of wandering during which he also studied Buddhism and Anthroposophy. 

. Ọ sonyeere ASCAP na 1975. Site na 1980 ruo 1982 ọ kụziri na Rudolph Steiner College na Fair Oaks. N'afọ 1981, ọ gara biri na Sacramento wee maliteghachi ide egwu n'ụzọ ọ na-emebu, ebe ọ nabatara asụsụ egwu ọhụrụ. O mechara kwaga Mendocino.

N'afọ 1966, Nancy B. Reich dezigharịrị akwụkwọ ya (ihe fọrọ nke nta ka ọ bụrụ ọrụ 75 site na ụbọchị a) ma bipụta ya dị ka mmega ahụ mbụ na akwụkwọ ndị a na-agụ na igwe. E wepụtara mbipụta nke abụọ, nke NYU Department of Music Education bipụtara, na 1968. Afọ 35 ka e mesịrị ọ ga-ede ederede ya maka Grove Dictionary of Music.

Egwú ya sitere n'ọtụtụ ụlọ ọrụ na ndị na-eme ihe nkiri. O ritere ihe nrite site na Boston Symphony Orchestra, Pacifica Foundation, na National Institutes of Arts and Letters.

Ọrụ ndị a họọrọ 

 Opera

 Aria da Capo
 Odyssey

 Egwú

 Mosey'n N'akụkụ maka ndị na-akụ egwú na oboe
 Akụkụ abụ maka ndị na-akụ egwú
 Obere ihe osise
 Ihe Ndị A Na-akpọ Egwú
 Nnyocha nke 1 (1959)
 Ọmụmụ Ihe nke 2
 Nnyocha No. 3 (1965), nke Boston Symphony Orchestra gosipụtara
 Nnyocha nke 4 "Oge 4"
 Na Memoriam: J. F. Kennedy maka onye na-akọ akụkọ na ndị egwú (1966)
 Ọmụmụ Akpụkpọ anụ (1969)
 Oecumenicus

 Ìgwè

 Egwuregwu maka ndị na-eme ihe nkiri
 Egwuregwu ise maka symphony ikuku

 Onye na-eme ihe nkiri

 Largo maka cello na ndị na-akụ egwú (1959)
 Egwú egwú maka ndị na-akụ ọkpọ
 Concertino maka oboe, piano na string orchestra (1967)
 Concerto da Camera [No. 1] maka violin solo, ọjà, clarinet, bassoon, horn, viola na cello (1959)
 Concerto da Camera No. 2 maka violin solo, oboe, clarinet, viola na cello (1960), nke emere na 92nd Street Y
 Concerto da Camera No. 3 maka violin solo, ifufe na ụda (1965)
 Concerto da Camera maka violin na chamber ensemble (1968)
 Concerto for Piano Four Hands (1965), nke Chorale Symphony Society gosipụtara na New York's Town Hall.
 Egwú maka viola, ifufe na ụda (1971)
 Ntụgharị uche maka violin, cello na ndị na-akụ egwú

 Egwú ụlọ

 String Quartet No. 2 (1954)
 Quintet No. 1 maka woodwinds (1955)
 Sonata maka violin na piano (1955)
 Egwú maka ụbọ akwara na ụbọ akbọ (1955)
 Quartet maka violin, clarinet, cello na piano (1955)
 Quartet maka violin, clarinet, opi na bass abụọ (1955)
 Egwú maka 10 woodwinds (1956)
 Nnyocha maka ọjà abụọ na piano (1956)
 Seven Movements for Septet (1958), nke emere na Carnegie Recital Hall
 Egwú Tower maka quintet brass (1959)
 Duo maka cello na piano (1963)
 Duo maka violin na piano (1963)
 Trio maka ọjà, bass abụọ na ọkpọ (1963)
 Duo maka opi na ọkpọ (1965)
 The Affections, suite for trumpet and piano (1965), nke nwa akwụkwọ ya bụ Charles Morrow dere ma gosipụta.
 Sonata maka violin solo (1966)
 Duo maka viola na harpsichord (ma ọ bụ piano) (1967)
 Sonata maka cello solo (1967)
 Trio maka bassoon, bass clarinet na piano (1968)
 Duo maka xylophone na bass abụọ (1969)
 Duo maka opi na amplified double bass (1969)
 Duo maka mpi na piano (1970)
 Egwú maka xylophone solo (1975)
 Trio maka viola, cello na piano (1985)
 Auld Lang Sydeman maka violin na viola
 Duo maka ọjà na viola
 Duo [No. 1] maka violin na viola
 Duo No. 2 maka violin na viola
 Njem agbamakwụkwọ ọhụrụ maka violin na viola
 Okwu mmalite maka viola na cello
 Sonata maka violin na piano
 Abụ maka bass abụọ na piano
 Trio maka violin atọ
 Mgbanwe maka viola na bassoon

 Piano

 Mgbanwe (1958)
 Sonata (1962), nke onye ọrụ ibe ya na Mannes College Jack Chaikin nyere iwu ma gosipụta na Carnegie Recital Hall.

 Ndị ukwe

 Prometheus, cantata maka onye na-agụ egwú, ndị na-agụ egwu na ndị na-akụ egwú (1957)
 Abụ ákwá nke Electra maka solo alto, nnukwu ndị ukwe na ndị egwú ụlọ

 Olu

 Ebe Blue Flowers maka onye na-akọ akụkọ na viola
 Abụ na Elizabethan Ihe odide maka soprano na ọjà
 3 Abụ mgbe Emily Dickinson gasịrị maka soprano na cello
 Jabberwocky maka soprano, ọjà na cello
 Abụ ise dị mkpirikpi maka soprano na piano (1978)
 4 Abụ ndị Japan maka soprano na 2 violins
 Cradle Song maka mezzo-soprano na piano
 Abụ ịhụnanya nke ndị Japan maka mezzo-soprano na piano
 Ụbọchị Nne maka mezzo-soprano na piano
 Moon Over Mountain maka mezzo-soprano na piano
 Mgbidi maka mezzo-soprano na piano
 Nkume Ntọala maka mezzo-soprano na piano
 Ana m abụ otuto maka mezzo-soprano na piano
 Ekpere maka alto, viola na piano
 Nkwupụta maka tenor, string quartet na teepu (1970). N'ịbụ nke Chamber Music Society nke Lincoln Center nyere iwu, gosipụtara na Tully Hall na 1971. Ọ bụ Tristam Shandy kpaliri ya.
 Ọ dị ka baritone na piano
 N'elu ákwà Julia maka baritone na piano
 Ugo maka baritone na piano
 4 Abụ Ọma maka bass na piano
 Ndị ọzọ
 Akụkụ Fantasy maka Harpsichord na Tape (1965)
 Akara na ihe nkiri TV nke 1985 Comet Halley

 Ebe nrụọrụ weebụ onwe onye
 Bụda egwu
 Vidio nke ọnọdụ Dickenson
 Profile & ajụjụ ọnụ site na Mendocino Music Festival
 Isiokwu dị na Grass Vally Union
 Ndị na-ede egwú na Nevada County
 Nchịkọta nke Sydeman's Cto. maka Pno. Aka anọ na Chamber Orch. (J. & K. Wentworth, ndị na-akpọ piano; Contemporary Music Ensemble; A. Weisberg, onye nduzi)

Akwụkwọ 

 ASCAP ASCAP Biographical Dictionary, 4th ed. Jaques Cattell Press, R.R. Bowker Company, 1980, p. 496,  , (n'ozuzu peeji nke 496, naanị Sydeman entry, nwebisiinka)
 [Ihe e dere n'ala ala peeji] Dictionary of Contemporary Music, E.P. Dutton & Co., 1974, peeji nke 725-726,

Ntuaka