5582twelve-tone musicTTen-USVocabulário Colaborativo em Artes e Arquitetura active approved twelve-tone musicA body of musical compositions created since the early part of the 20th century created using the twelve-tone system attributed to Arnold Schoenberg. Generally twelve-tone music is considered a subset of serial music, but there is some disagreement on this.

Source: Art & Architecture Thesaurus

http://vocab.getty.edu/page/aat/300266055

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