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Exhibited symmetry : for solo piano

by Peter McNamara (2010)

Score Sample

View a sample of the score of this work

Audio Sample

Performance by Jihyeon Lim from the CD Selected Works by AMC Represented Artists, vol. 67.

Selected Works by AMC Represented Artists, vol. 67.


This item is not commercially available from the Australian Music Centre. We regret that we cannot offer it for sale.


Selected Works by AMC Represented Artists, vol. 67.

Library shelf no. CD 2734 [Available for loan]

Exhibited symmetry


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Exhibited symmetry : for solo piano / Peter McNamara.

Library shelf no. 786.2/MCN [Not for loan]

Work Overview

The work's title is indicative of its various symmetrical pitch patterns. These pitch patterns are each derived from the opening palindromic arpeggios. The intervals of these arpeggios are also initially augmented (made wider) in a symmetrical manner. Later the pitches and intervals of the initial arpeggios are used to create various "pitch fields". These pitch fields are also normally symmetrical in nature and are used in melodic or foreground textures while other chords also derived from the initial arpeggios appear around these foreground pitches as an accompaniment.

Structurally, Exhibited Symmetry focuses on contrasting "time-space" notated sections that have no rhythm, with very rhythmically strict sections. The strict rhythmic sections also use "metric modulations" where the rhythm in one tempo becomes a different rhythmic value in another tempo. These are used initially to create faster tempi before returning back to the original tempo. Overall this technique is used to create faster and faster tempi culminating with the fastest of these at the climax. The finale uses this process in reverse as the metric modulations occur with slower tempi, resulting in the work's pitches gradually dissipating.

Work Details

Year: 2010

Instrumentation: Piano.

Duration: 5 min.

Difficulty: Advanced — Some unmeasured sections and tempo/metronome modulations.

First performance: by Jihyeon Lim at Six performers seeking a composer (Sydney Conservatorium of Music) on 26 Oct 2012

Performances of this work

26 Oct 2012: at Six performers seeking a composer (Sydney Conservatorium of Music). Featuring Jihyeon Lim.

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