Saariaho · Petals
Petals
Table of contents
D – Dynamics
- Very wide dynamic range from ppp to ff.
- In stave 26 dynamics move from ffff to pppp.
- Hairpins also apply to reverb intensity rather than loudness.
R – Rhythm, Tempo, Metre
- Notated tempo changes include 80, 54, 66.
- Markings such as dolce, intenso, furioso allow interpretative freedom.
- Lento sections vary significantly; the final stave may last up to a minute.
- Staves 10–13: no fixed pulse, but rhythmic drive created by sextuplets, semiquavers, triplets, septuplets.
- Overall sense of pulse is ambiguous but rhythmic energy persists.
- Staves 17–27: high F♯ notes on fermatas (stave 22), creating suspended time.
- The low C drone frequently marks phrase openings.
T – Texture
- Texture resists standard categories; sometimes monophonic, sometimes layered.
- Richly layered sonorities; implications of homophony appear.
- Double stopping is common.
- Pedal/drone textures appear, especially the left-hand C.
- Two-part textures appear in A sections (e.g., staves 8–9 and 13–16).
- Texture often built through timbral layers rather than polyphony.
S – Sonority (Instrumentation/Techniques)
- Extensive extended techniques:
- EF (estremamente flautando) to imitate flute timbre.
- Tremolando, vibrato, senza vibrato, molto vibrato, naturale, normale.
- Trills and mordents, sometimes on harmonics or during glissandi.
- Artificial harmonics.
- Glissandi throughout.
- Bow noise.
- Left-hand pizzicato.
- Microtonality: quarter-tones, quarter-sharps, quarter-flats (24 pitches per octave).
- Electronics:
- R = Reverb, H = Harmoniser.
- Signal processing shapes timbre; “dirty” vs “clean” instead of consonant/dissonant.
- Reverb: normally 2.5 s, at stave 21 = 15 s, final = ~30 s decay.
- Hairpins affect reverb intensity.
- In Section B, there is no harmoniser, only reverb.
- Synesthesia influences colour treatment.
- Sonority is central; timbre and spectral colour dominate.
M – Melody
- B sections supply clearer melodic material.
- Staves 4–7: rapid demisemiquavers, chromatic quarter-tone motion; material drawn directly from Nymphéa.
- Stave 10: melodic characteristics with varied intervals and ascending ideas; descending motif at end of 10 returns at end of 11 with an added note.
- Microtonality dominates A sections; B sections use more conventional pitch materials.
- Staves 17–27: repeated B → A♯ figure; low pizzicato C drone under B → A♯ pattern.
- Near stave 27: high F♯ becomes prominent; glissando leads to highest possible pitch.
I – Instrumentation (Acoustic/Electronic Interaction)
- Solo cello expanded through harmoniser and reverb.
- Mono vs stereo options:
- Stereo = quarter-tone up and quarter-tone down.
- Mono = quarter-tone up.
- Electronics extend timbral palette; harmoniser absent in B sections.
- Traditional instrumental limitations overridden by processing and extended techniques.
T – Tonality
- Not conventionally tonal; not strictly atonal either.
- Pitch centres emerge through repetition (e.g., C from stave 15 onwards).
- Stave 70+: ascending/descending gestures end on F♯.
- Dyads appear at points of resolution, but these are not cadences.
- Tonal function replaced by spectral/colouristic function.
H – Harmony
- No conventional harmony or functional progression.
- Harmony arises unintentionally via overtones and harmonics (e.g., artificial harmonic on C♯ notated as F♯ but sounding an octave above = C).
- Quarter-tone harmoniser creates vertical spectra rather than chords.
- Composer’s distinction: timbre = vertical, harmony = horizontal.
- Harmonic “states” rather than harmonic movement.
Structure
- Continuous unfolding with clear A/B alternation; seven major sections.
- A = fragile, colouristic; B = energetic, rhythmically and melodically clear.
- A (1–3): single notes, glissandi, trills, tremolandi, bow noise.
- B (4–7): rapid demisemiquavers, chromatic quarter-tone motion.
- A (8–9): lento/free; slow two-part texture over D pedal.
- B (10–13): continuation of earlier melodic ideas.
- A (13–16): high artificial harmonics; two-part textures; double-stopped harmonics.
- B (17–27): climactic variation section; persistent C drone, B → A♯ idea, ascent to extreme F♯.
- A (28–30): lento/free; bow noise, glissandi, double-stopped harmonics.
In stave 26 dynamics move from ffff to pppp.