Sonus dulcis : for guitar quartet
by Andrián Pertout (2000, this version: 2009)
Also known as: Euphony
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Library shelf no. CD 2587 [Not for loan]
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'Sonus Dulcis' or 'Euphony' - the Latin expression characterizing a sound, noise, voice, or tone that is sweet, pleasant, delightful, charming, or dear - was conceived in August of 2000 originally as a work for string trio, serving as an exploration of the system of just intonation, or pure intervals (whereby "frequencies of the individual tones reflect the precise mathematical proportions that occur in the harmonic series"), and therefore attempting to avoid sequential intervals with non-superparticular vibration ratios. German physicist Herman Ludwig Helmholtz was its passionate advocate, and his research suggests that in actual performance string players have a natural tendency towards just intervals, and especially in the absence of fixed pitch keyboard instruments. The work's pitch material features the Japanese 'In' scale, which is generally associated with art, koto and shamisen music, and is essentially a hemitonic pentatonic scale incorporating two auxiliary tones: E flat and B flat. The scale structure includes the just diatonic semitone, or major half-tone (16/15, or 111.731 cents), just minor tone (10/9, or 182.404 cents), and just major tone (9/8, or 203.910 cents) intervals. In 2003, the work was especially arranged and revised for the Oare String Orchestra, to be then recognized as the Joint-Winner of the Judges' Prize and Winner of the Audience Prize of the 2003 Oare String Orchestra Third International 'Music for Strings' Composing Competition (Faversham, UK). In 2016, it was also the Winner of the Veridian Symphony Orchestra Fourth Annual Composers' Competition (Yuba City, California, USA).
Year: 2000, this version: 2009
Instrumentation: Guitar quartet.
Duration: 6 min.
Difficulty: Advanced — Professional
Written for: Saffire: the Australian Guitar Quartet
The composer notes the following styles, genres, influences, etc associated with this work:
Japanese ‘In’ scale, Just Intonation.
- Influenced by: Japanese culture
Performances of this work
1 Feb 20: Semanas Musicales de Frutillar, Teatro del Lago, Frutillar, Chile
29 Jan 20: Semanas Musicales de Frutillar, Conservatorio Música y Bellas Artes del Sur, Puerto Varas, Chile
5 Apr 19: ‘MUZ: Au benefice du casas’ Festival, Trinity International Church of Strasbourg (TICOS), Strasbourg, France
11 Sep 18: Escola de Musica de UFRJ, Brasília Sax ‘Série Tendências’ Concert Series, Rio de Janeiro, Brazil
22 Jul 18: Methodist Ladies College, Kew, Melbourne, Australia
1 Mar 18: St Pauls Lutheran Church, Shepparton, Australia
24 Feb 18: Magda Community Artz, Brisbane, Australia
29 Jul 17: Texas Historical Marker, New Hope Baptist Church, ‘Applause Music Festival,’ Mansfield, Texas, USA. Featuring Ascending Duo.
2 Dec 16: Instituto Cervantes, Berlin, Germany
28 May 16: Ministry Hall, Gozo, Malta.
29 Apr 2016: at Free Sounds: Flute Ensemble (Sir Zelman Cowen School of Music - Building 68, Music Auditorium).
19 Jul 14: First Presbyterian Church, San Diego, California, USA. Featuring Crossroads Trio.
1 Mar 11: Curtis Auditorium, Cork School of Music, Cork City, Ireland. Featuring Ozmosis Ensemble.
31 Jul 09: Conservatorium Recital Hall, University of Tasmania Conservatorium of Music, Hobart, Australia.. Featuring Australian Chamber Ensemble.
21 Apr 09: Gallery 701, Center for Contemporary Art, Columbia, South Carolina, USA. Featuring University of Southern California World Symphonic Jazz Orchestra, Sonia Jacobsen.
15 Oct 08: Recital Hall, School of Music, University of South Carolina, Columbia, South Carolina, USA. Featuring Sonia Jacobsen, University of South Carolina World Symphonic Jazz Orchestra.
3 Oct 08: Recital Hall, School of Music, University of South Carolina, Columbia, South Carolina, USA. Featuring University of South Carolina World Symphonic Jazz Orchestra, Sonia Jacobsen.
9 Mar 08: Music Cafe, Sydney Conservatorium of Music, Sydney. Featuring Grevillea Ensemble.
9 Dec 07: Concertzaal Mengal, Royal Conservatory of Ghent, Belgium. Featuring Duo Dicto.
5 Dec 07: Keele University, Keele, Staffordshire, UK. Featuring Duo Dicto.
16 Nov 07: Facultad de Humanidades y Educación de la Universidad Central de Venezuela, Caracas, Venezuela. Featuring Duo Dicto.
27 Apr 07: 'Harmonica Classica 25th anniversary' Concert, Bosendorfersaal, Vienna, Austria. Featuring Duo Dicto.
15 May 06: Melba Hall, University of Melbourne, Parkville, Melbourne, Australia. Featuring New Audience Ensemble.
6 Nov 05: Centro Cultural de España, Tercer Festival Internacional de Música Clásica Contemporánea de Lima, Lima, Peru. Featuring Duo Dicto.
29 Jan 05: Alexander Centre, Faversham, UK. Featuring Oare String Orchestra.
4 Oct 04: Fine Arts Center, Michelsen Hall, University of Wisconsin-Stevens Point, Wisconsin, USA
29 Sep 04: Morphy Hall, School of Music, Mosse Humanities Building, University of Wisconsin-Madison, Wisconsin, USA. Featuring Crossroads Trio.
26 Sep 04: University of Wisconsin-Extension, Wisconsin, USA. Featuring Crossroads Trio.
17 Sep 04: Meier Recital Hall, Black Hills State University, Spearfish, South Dakota, USA. Featuring Orenunn Trio.
8 Jul 04: Recital Hall, Royal College of Music, London, UK
10 Apr 04: Wadsworth Auditorium, State University of New York, School of Performing Arts, SCI (Society of Composers Inc.) ‘Region II Conference, Geneseo, New York, USA. Featuring Steven Heyman, George Macero, Vladimir Pritsker.
14 Nov 03: Sala Polivalente Biblioteca Comunale ‘E. De Amicis’, Anzola Emilia, Bologna, Italy. Featuring Crossroads Trio.
13 Nov 03: Circolo ‘La Rovere’, Mantova, Italy. Featuring Crossroads Trio.
9 Nov 03: Teatro Gonzaga, Piazza Castello, Ostiano, Cremona, Italy.. Featuring Crossroads Trio.
3 Nov 03: Gryphon Gallery, University of Melbourne, Parkville, Melbourne. Featuring Tinalley String Quartet.
9 May 02: Kumho Art Hall, 2002 Asian Contemporary Music Festival, Seoul, Korea. Featuring Sori Ensemble.
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