Aequilibrium : for flute, clarinet, viola, cello, trombone, piano and percussion
by Andrián Pertout (2006)
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According to Vincent Persichetti and his writings contained in Twentieth-Century Harmony: Creative Aspects and Practice "there are three categories of intervallic materials from which chords may be built: thirds or sixths (tertian), fourths or fifths (quartal), and seconds or sevenths (secundal)." 'Aequilibrium' for flute, clarinet, viola, cello, trombone, piano and percussion is an exploration of these principles utilizing physical and psychological concepts of consonance and dissonance, the harmonic language of the twelve primary intervals of western art music, and a polyrhythmic framework of emaciating density. Compositional techniques of juxtaposition, octave displacement and inversion have been utilized to construct a simple five-chord motive, sequentially transformed via textural development, as well as modulation to the dominant of all twelve key centres. The intervallic order governed by the desire to generate a musical portrayal of the dissonance-consonance curve.
Instrumentation: Flute, clarinet, viola, cello, trombone, piano, percussion.
Duration: 10 min.
Difficulty: Advanced — Professional.
Commission note: Commissioned by Pavel Mihelcic and the Ensemble MD7 (Ljubljana, Slovenia), for the International Festival of Contemporary Music UNICUM, 17-26 October, 2006.
Resonate article: Asian Composers League Festival 2013 - Australian works by Australian Music Centre
Performances of this work
22 Sep 13: 31st Asian Composers League (ACL) Festival & Conference, Conservatory Concert Hall, Yong Siew Toh Conservatory of Music, National University of Singapore. Featuring Robert Casteels.
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