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Atonality in its broadest sense is music that lacks a tonal center, or key. [1] Atonality, in this sense, usually describes compositions written from about the early 20th-century to the present day, where a hierarchy of harmonies focusing on a single, central triad is not used, and the notes of the chromatic scale function independently of one another. [2]
Tonality is the arrangement of pitches and / or chords of a musical work in a hierarchy of perceived relations, stabilities, attractions, and directionality.. In this hierarchy, the single pitch or the root of a triad with the greatest stability in a melody or in its harmony is called the tonic.
Other composers with atonal pieces include Harrison Birtwistle & Peter Maxwell Davies, [54] Jacob Druckman, Barbara Kolb, [55] Henry Cowell, Claude Debussy, Brian Ferneyhough, [56] Alexander Goehr, [57] Lou Harrison, Mårten Hagström, Paul Hindemith, Karel Husa, Charles Ives, György Ligeti, Witold Lutosławski, George Perle, [58] Sergei Prokofiev, David Raksin, [59] Nikolai Roslavets, [60 ...
For him such a row would be part of the historical process from a "unitonic" (tonality) moved to a "pluritonic" (polytonality) and ended in an "omnitonic" , where every note became a tonic. In his marginalia to Ramann's biography of him, made after he had turned 70, Liszt called the "omnitonic" an Endziel or final goal of the historical process.
Post-tonal music theory is the set of theories put forward to describe music written outside of, or 'after', the tonal system of the common practice period.It revolves around the idea of 'emancipating dissonance', that is, freeing the structure of music from the familiar harmonic patterns that are derived from natural overtones.
Any complete analysis must take these ghostly remnants of tonality into account, but no one key reliably shapes the structure. [4] Atonal analyses of this first piece are also divided in opinion. Allen Forte describes its pitch organisation as "straightforward" and based on hexachords . [ 5 ]
Tonality and key – together, they define the harmonic and melodic framework of a musical composition. Key – specific scale that forms the basis of the tonal structure of a piece of music. Tonality (in music) – system of organizing musical compositions around a central pitch or tonic, defining the hierarchy of pitches and chords that gives ...
Composers such as Charles Ives, Dane Rudhyar, Duke Ellington, and Lou Harrison connected the emancipation of the dissonance with the emancipation of society and humanity. . Michael Broyles calls Ives' tone-cluster-rich song "Majority" as "an incantation, a mystical statement of belief in the masses or the people".