Title: Cornelius Cardew
Content:  Cornelius Cardew (7 May 1936 – 13 December 1981) was an English experimental music composer, and founder (with Howard Skempton and Michael Parsons) of the Scratch Orchestra, an experimental performing ensemble. He later rejected experimental music, explaining why he had "discontinued composing in an avantgarde idiom" in his own programme notes to his Piano Album 1973.
Title: Treatise (music)
Content:  Treatise is a musical composition by British composer Cornelius Cardew (1936–81).
Title: Philip Howard (pianist)
Content:  Philip Howard (born 1976) is a British-born composer and pianist, at present best known for his performances of music by Morton Feldman and Iannis Xenakis. Howard studied in London, at the Royal Academy of Music. Taught to the age of 18 by Dr Alexander Abercrombie, his teachers at the RAM were Graeme Humphrey and Michael Finnissy. His first success came as a composer, when in 1992 he won joint First Prize in the first BBC Young Musician of the Year Lloyds Bank Composer Award. In 2003 Howard came to wider international recognition after winning First Prize in the Gaudeamus International Interpreters Award, as the first British winner in 35 years. Ridley Scott's film Prometheus uses on its soundtrack a performance of Chopin's "Raindrop" Prelude recorded by Howard.
Title: David Del Tredici
Content:  "dissonant and nearly atonal" style. He also found inspiration in Martin Gardner's The Annotated Alice and its commentary on the works of Lewis Carroll. During this period, he found himself moving back towards tonality, which he felt was more appropriate for works such as his Final Alice and Adventures Underground. Del Tredici was Composer-In-Residence at the New York Philharmonic from 1988 until 1990. In 1999 and 2000 he taught at Yale University. He also has taught at Boston University, Juilliard School, and the University of Buffalo. , he was a faculty member of the City College of New York. Today, Del Tredici continues 
Title: John Barnes Chance
Content:  to write music for many different grade levels. Chance composed thoughtful and involved music for percussion sections, which is something that most composers would not do at that time. Because of his contributions to writing more involved percussion music, more composers began to follow in his footsteps. One of the reasons that Chance made such an impression on the students he mentored, conducted, and composed for, was his ability to take an interest in what the students wanted to learn. After his tenure at Greensboro, Chance found that his prior thoughts on only being a composer had changed and that he was interested in becoming a music educator.
Title: John Barnes Chance
Content:  John Barnes Chance is considered an extremely important figure in the wind ensemble world. After being selected as one of 12 winners of the Ford Young Composers Project in 1960, Chance was able to work with the Greensboro, North Carolina School District, under the direct supervision of ABA member Herbert Hazelman. At Greensboro, Chance was able to understand the limitations of high school students and was then able to compose for them. One of his first major wind ensemble compositions, Incantation and Dance, was composed and performed during his residency with Greensboro (now Grimsley) Senior High School. Because of Chance's obligations of working with the entire district, he 
Title: Dave Black (composer)
Content:  Dave Black (born 1959) is an American composer and co-author of numerous books, including Alfred's Drum Method, Alfred's Beginning Drumset Method, Alfred's Kid's Drum Course, Contemporary Brush Techniques, Drumset Independence and Syncopation, Living Praise, Cymals: A Crash Course, The Essential Dictionary of Orchestration, A Jazz Diary, and Sound Innovations for Concert Band. He has also written a number of articles, concert reviews, and book reviews for publications including The Instrumentalist, Down Beat, Modern Percussionist, Modern Drummer, Drums and Drumming, Drum Tracks, Jazz Educators Journal, Grammy Pulse, and Music Connection. More than 60 of his compositions and arrangements have been published by Alfred Music Publishing, CPP/Belwin, Highland/Etling, Barnhouse, TRN, and Warner Brothers, many of which have been recorded. He has written with, and for the bands of Louie Bellson, Sammy Nestico, Bill Watrous, Bobby Shew, Ed Shaughnessy, Gordon Brisker and the CSUN Jazz Ensemble. Black has received numerous awards and commissions, including 21 consecutive ASCAP Popular Composer Awards and two Grammy nomination certificate. Many of his compositions have been used as background/source music on TV shows including Good Morning America, Roseanne, Nightline, Grace Under Fire, Ellen, General Hospital, The Drew Carey Show, Coach, and All My Children.
Title: Twelve Poems of Emily Dickinson
Content:  ; 12) The Chariot (Arthur Berger) Twelve Poems of Emily Dickinson is a song cycle for medium voice and piano by the American composer Aaron Copland. Completed in 1950 and lasting for just under half an hour, it represents Copland's longest work for solo voice. He assigned the first line of each poem as the song title, Emily Dickinson having not titled any of the pieces. The exception is "The Chariot", which was Dickinson's original published title. Each song is dedicated to a composer friend. The sequence, with dedicatees, is:  Copland himself acknowledged that many have heard the influence of 
Title: Gordon Parks
Content:  His first job was as a piano player in a brothel when he was a teenager. Parks also performed as a jazz pianist. His song "No Love", composed in another brothel, was performed during a national radio broadcast by Larry Funk and his orchestra in the early 1930s. Parks composed Concerto for Piano and Orchestra (1953) at the encouragement of black American conductor, Dean Dixon, and his wife Vivian, a pianist, and with the help of the composer Henry Brant. He completed Tree Symphony in 1967. In 1989, he composed and directed Martin, a ballet dedicated to Martin Luther King Jr., the civil-rights leader, who had been assassinated.
Title: David Del Tredici
Content:  back to Berkeley to concentrate on composition rather than performance. During his early development as a composer, he found influence in his piano teachers Bernhard Abramovitch and Robert Helps, whom he found more creative and supportive of trusting "your instincts" than were his composition professors. After studying at the University of California, Berkeley, he attended Princeton University. There he studied composition with Roger Sessions, Earl Kim, and Seymour Shifrin. At Princeton he was initially influenced by serialism, but abandoned that school of composition within a year of starting it. He left Princeton to live in New York City for two years before returning to the university.

Question: Who was the composer of Discipline?
Answer: Adrian Belew.
Robert Steven Belew.