Petals for Cello Solo and Optional Electronics by Saariaho…
Petals for Cello Solo and Optional Electronics
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.
Solo cello (with electronic amplification and signal processing)
Timbre is very important
Clean vs noisy
Various techniques (pizz/sul pont/sul tasto/tremalo etc.)
Harmonizer - detunes & adds pitches a 1/4 tone above.
Fragile section (
) followed by a more energetic section (
Some pitched notes
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.
Not easily described.
Microintervals - quarter tones.
Use of glissandi, trills and mordents.
Rhythm and metre
Large range of rhythmic gestures - syncopation, septuplets, dectuplets
Rhythm becomes less defined without,