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Petals - Coggle Diagram
Petals
Context
Saariaho 
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Use of electronics linking to Music Concrete , Pierre Schaeffer
Wider Listening
Examples:
Nymphea
Includes sections with a lot of dynamic variation similar to petals , was created via spectral analysis .Last 2 bars are opening gesture to Petals
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Sequenza XIV
Created by Berio . They use sul ponticello , sul tasto , trills and glissando as well as Micro intervals
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Sonority / P.F
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Use of Techniques such as Trills (Stave 1) , Glissando (Stave 2 ) and Tremolo (Stave3 )
Unconventional Structure
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B Section which has a clearer sense of tempo , has more melodic character and with more energy
Use of Electronics In Petals
Use of Amplification and having Mic Close to Cello , can bring out some of the quieter sounds ( Possible link to Spectralism and bringing out different sounds )
Use of Reverb which is similar to that of a Piano sustain pedal in the sense that it makes sounds take longer to decay
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Harmony and Tonality
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Frequent use of Overtones combine with trills and the actual harmonics of the notes themselves which creates this unconventional idea of harmony
Model Intro :
Kaija Saahrio is a Finnish composer who was born in Helsinki in 1952 . She attended study at IRCAM (Institute for Research and Coordination of Acoustic Music) around 1982 where she would’ve been taught concepts such as spectralism . This may have been down to Saariaho’s interest and curiosity after listening to French composers : “Tristan Murail” and “Gerard Grisley, both major pioneers of the spectralist type movement. This idea and concept of spectralism is definitely evident throughout some of Saariaho’s pieces, especially that of Petals. Petals was a piece written by Saariaho in 1988 and was first performed in Bremen. The piece acts almost as a rejection to both tonality and harmony and Saariaho’s use of micro intervals add to this as well. This idea of sound and spectralism can also relate to Sine Waves and overtones which may also relate to gesang der jünglinge ( a piece created by Stockhausen in 1955 ) which makes use of the manipulation of sine waves which don’t have overtones (frequencies / harmonics usually heard above the fundamental).It’s clear that Saariaho’s use of electronics is perhaps influenced by others , possibly linking to Musique Concrete , Pierre Schaeffer and this idea of using sound as this raw material and experimenting and manipulating it via the use of techniques such as tape modulation.
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