The luò shū : for soprano and bass saxophones
by Andrián Pertout (2009)
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Library shelf no. CD 2157 [Available for loan]
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The Luò Shū was especially composed for Australian Saxophonists Lachlan Davidson and Tony Hicks as part of the Melbourne Composers' League 'Four Seasons' Concert Series and 'Spring: a concert of new chamber music from Australia and Malaysia.' The work serves as an exploration of the musical properties of the Luò Shū 3×3 magic square and investigates its potential for structural indeterminacy. The magic square is firstly presented within the metrical scheme in its original form (rows 1 to 3: 8+1+6, 3+5+7+4+9+2), to be then followed by an additional seven rotations and reflections (270% rotation, 180% rotation, 90% rotation, horizontal reflection, vertical reflection, right diagonal, left diagonal). In the 24-bar score, each player is presented with an 8-module structure and 9 staves of music with materials that (as a 3-stave set) may be interpreted horizontally, vertically, or diagonally. The compositional strategy allows for each 3-bar module to be repeated 5, 7 or 11 times, with freedom to overlap materials (from one 3-bar module to the next) up until the closing 3-bar module. The pitch material (assigned to the soprano saxophone) consists of a symmetrical all-interval 6-note series, followed by its transposed complementary retrograde, the inversion of this 12-note series, and transposed retrogrades of the previous two 12-note pitch sets. The remaining 48 pitches (assigned to the bass saxophone) are based on individual retrogrades of each of the four 12-note pitch sets. With regard to rhythm, all polyrhythmic ratios between 1 and 9 not greater than 1 have been systematically utilized within the rhythmic framework of the composition.
Instrumentation: Soprano saxophone, bass saxophone.
Duration: 14 min.
Difficulty: Advanced — Professional
Dedication note: Composed for Australian Saxophonists Lachlan Davidson and Tony Hicks as part of the Melbourne Composers’ League ‘Four Seasons’ Concert Series and ‘Spring: a concert of new chamber music from Australia and Malaysia’
First performance: by Lachlan Davidson, Tony Hicks at Melbourne Composers’ League 'Four Seasons' Spring Concert (Fitzroy Town Hall) on 6 Dec 2009
The composer cites the following influences on this work:
Luò Shū 3×3 magic square structural indeterminacy
Performances of this work
6 Dec 2009: at Melbourne Composers’ League 'Four Seasons' Spring Concert (Fitzroy Town Hall). Featuring Lachlan Davidson, Tony Hicks.
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