Answer: serialism
AnswerCrossword Clue
serialismA compositional technique in which a fixed series of notes, esp. the twelve notes of the chromatic scale, are used to generate the harmonic and melodic basis of a piece and are subject to change only in specific ways. The first fully serial movements appeared in 1923 in works by Arnold Schoenberg
serialismserial technique, or the use of it, eg the twelve-note row