Sheet Music: Score
Le petit agneau : for harmonic and polytonal bells / Andrián Pertout
by Andrián Pertout (2009)
'Le petit agneau' or 'The Little Lamb' was especially composed for the Federation Bell Installation in Birrarung Marr (Melbourne, Australia), which was designed by Neil McLachlan and Anton Hassell in association with Australian Bell Pty Ltd and comprises of thirty-nine computer-controlled harmonic and polytonal bells. In the tradition of American composer, pianist and theorist Henry Cowell (1897-1965) and his monumental publication of New Musical Resources (1930), the work explores a variety of compositional techniques developed during the twentieth century by American experimentalist composer Conlon Nancarrow (1912-1997) and documented by Kyle Gann in The Music of Conlon Nancarrow (1995). The Mixolydian Mode (the fifth mode generated by the major scale) is adopted as the basic pitch material, while the simple seven-limit frequencies ratios associated with this heptatonic scale form the basis for rhythmic development: fundamental or unison (the frequency ratio 1/1), just major tone or 9th harmonic (9/8, or 203.910 cents), just major third or 5th harmonic (5/4, or 386.314 cents), just perfect fourth (4/3, or 498.045 cents), just perfect fifth or 3rd harmonic (3/2, or 701.955 cents), just major sixth (5/3, or 884.359 cents), septimal subminor seventh or 7th harmonic (7/4, or 968.826), and octave (2/1, or 1200.000 cents). The melodic elements of Mary Had a Little Lamb - the English language nursery rhyme of nineteenth-century American origin; set to music in the 1830s by American composer Lowell Mason (1792-1872) - also feature in the work, which are incorporated via a linear additive compositional process structured around tempo canons (or diminution canons, expressed as polyrhythmic ratios: 3/4/5/6 and 4/5/6/7/8/9) and two rhythmic sequences based on ouroborean rings for pairs and quadruplets (0111, 0100 and 1111, 0000, 1010, 0110).
Published by: Australian Music Centre — 1 facsimile score (39p. -- A4 (landscape))
Difficulty: N/A - Not for live performance
Duration: 8 mins
First performance 12 Jan 10. Federation Bell Installation, Birrarung Marr, Melbourne, Australia
Composer's no.: 407.
Includes programme notes, performance notes, and notes about the Federation Bells installation.
The composer cites the following influences on this work:
just intonation, tempo canons, mathematics
This edition produced 12 Jan 10.
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