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Emancipation of Dissonance

The emancipation of the dissonance was a concept or goal put forth by Arnold Schoenberg and others, including his pupil Anton Webern, composer of atonal music and the inventor of the twelve tone technique. It may be described as a metanarrative to justify atonality. Jim Samson (1977) describes: "As the ear becomes acclimatized to a sonority within a particular context, the sonority will gradually become 'emancipated' from that context and seek a new one. The emancipation of the dominant-quality dissonances has followed this pattern, with the dominant seventh developing in status from a contrapuntal note in the sixteenth century to a quasi-consonant harmonic note in the early nineteenth. By the later nineteenth century the higher numbered dominant-quality dissonances had also achieved harmonic status, with resolution delayed or omitted completely. The greater autonomy of the dominant-quality dissonance contributed significantly to the weakening of traditional tonal function within a purely diatonic context."

1910: Emancipation of Dissonance is a book by Thomas Harrison which uses Schoenberg's 'revolution' to trace other movements in the arts around that time.

Source

• Samson, Jim (1977). Music in Transition: A Study of Tonal Expansion and Atonality, 1900-1920, p.146-147. New York: W.W. Norton & Company. ISBN 0393021939.