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Petals for Cello Solo and Optional Electronics by Saariaho…
Petals for Cello Solo and Optional Electronics
by Saariaho
Style/Period
Spectral music
Sound consists not only of the main pitch but also of higher, quieter sounds. The exact details and relative volumes of these harmonics determine the tone quality or timbre.
Instrumentation
Solo cello (with electronic amplification and signal processing)
Timbre is very important
Clean vs noisy
Various techniques (pizz/sul pont/sul tasto/tremalo etc.)
Amplification
Reverberation
Harmonizer - detunes & adds pitches a 1/4 tone above.
Structure
Fragile section (
A
) followed by a more energetic section (
B
)
Tonality
Atonal
Some pitched notes
Harmony
Lack of conventional harmony
Harmony is the timbre - overtones not notes.
Spectral analysis therefore, the harmonics normally experienced simultaneously are heard successively as melodic entries.
Timbre as vertical and harmony as horizontal.
Texture
Not easily described.
Melody
Microintervals - quarter tones.
Use of glissandi, trills and mordents.
Rhythm and metre
Pulseless sections
Large range of rhythmic gestures - syncopation, septuplets, dectuplets
Rhythm becomes less defined without,