
Samuel Osmond Barber II was an American composer of orchestral, opera, choral, and piano music. He is one of the most celebrated composers of the 20th century; music critic Donal Henahan stated, "Probably no other American composer has ever enjoyed such early, such persistent and such long-lasting acclaim."

Dr. Eric William Barnum is an American composer of choral, instrumental, and vocal works. He received his doctorate in Choral Conducting at the University of Washington, Seattle. He is currently the Director of Choral Activities at Drake University in Des Moines, Iowa.

Ernest Henri Alexandre Boulanger was a French composer of comic operas and a conductor. He was more known, however, for being a choral music composer, choral group director, voice teacher, and vocal contest jury member.

Edward Benjamin Britten, Baron Britten was an English composer, conductor, and pianist. He was a central figure of 20th-century British 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).

Javier Busto Sagrado is a Spanish choral music composer and conductor.

Wilma Alba Cal is a Cuban composer of contemporary classical music. Her work has been recognized in several competitions in Cuba organized by National Union of Writers and Artists of Cuba (UNEAC), Instituto Superior de Arte, Asociación Hermanos Saíz and Instituto Cubano de la Música. Her catalog includes chamber, choir, electroacoustic and orchestral music, in addition to soundtracks for theatre and audiovisual works.

Robert "Bob" Chilcott is a British choral composer, conductor, and singer, based in Oxfordshire, England. He was a member of the King's Singers from 1985 to 1997, singing tenor. He has been a composer since 1997.

Richard Wayne Dirksen was an American musician and composer, who served as organist and choirmaster of the Washington National Cathedral in Washington, D.C., from 1977 to 1988. Previously he was assistant organist and choirmaster from 1942 to 1964. In 1969, Dirksen was named the cathedral's precentor, giving him administrative oversight of all worship services until his retirement in 1991.

Alberto Evaristo Ginastera was an Argentinian composer of classical music. He is considered one of the most important 20th-century classical composers of the Americas.

Howard Lindsay Goodall is an English composer of musicals, choral music and music for television. He also presents music-based programmes for television and radio, for which he has won many awards. In May 2008, he was named as a presenter and Composer-in-Residence with the UK radio channel Classic FM. In May 2009, he was named "Composer of the Year" at the Classic BRIT Awards.

Guy Elwyn Jansen was a New Zealand music educator and choral musician.

Mary Ann Kennedy, is a Scottish musician, singer, choral director, composer, radio and television presenter, and music producer.

Pavel Křížkovský was a Czech choral composer and conductor.

Franjo Ksaver Kuhač was a piano teacher, choral conductor, composer, and comparative musicologist who studied Croatian folk music. Kuhač did a great deal of field work in this area, collecting and publishing 1,600 folk songs. Like Cecil Sharp, who did similar work in Britain and Appalachia, Kuhač published the folk songs with a piano accompaniment.

Thorvald Lammers was a Norwegian baritone singer, choral conductor, composer, and biographer.

Morten Johannes Lauridsen is an American composer. A National Medal of Arts recipient (2007), he was composer-in-residence of the Los Angeles Master Chorale from 1994 to 2001, and has been a professor of composition at the University of Southern California Thornton School of Music for more than 40 years.

Joshua Pulumo Mohapeloa (1908-1982) was a prominent choral music composer in Sesotho, the native language of the BaSotho people of Southern Africa.

Knut Nystedt was a Norwegian orchestral and choral composer.

Matthew Peterson is a composer of operas, choral works, orchestral and chamber music.

Michael John Trotta is an American musical composer and conductor. He has appeared at Carnegie Hall three times since 2014.

Ralph Vaughan Williams was an English composer. His works include operas, ballets, chamber music, secular and religious vocal pieces and orchestral compositions including nine symphonies, written over sixty years. Strongly influenced by Tudor music and English folk-song, his output marked a decisive break in British music from its German-dominated style of the 19th century.