The genesis of I colori di α arises from a deep fascination with orchestral sound and from the composer’s strong desire to create something new and unprecedented. This research path led Andrea Ravizza to study and draw inspiration from the works of major contemporary composers.

At the core of the composition lies “α”, a primordial sound material generated through numerical principles, originating from intervals of the minor second and augmented fourth, later inverted into a major seventh to achieve a richer and more “orchestral” sonority. The primary objective of the piece is to explore the many “colors” and facets of this material through meticulous harmonic, melodic, and rhythmic elaboration.

The work unfolds through six main sections (a, b, c, d, e, f), whose durations are determined by numerical proportions derived from “α”:

• Section a: A forceful and violent opening, in which “α” is presented in its complete form at fortissimo, with waves of chords alternating with brief melodic gestures.
• Section b: The rhythmic aspect comes to the fore, with homorhythmic ostinatos setting different musical cells into dialogue, anticipating more rarefied atmospheres.
• Section c: Fragments of “α” are exposed within a highly expanded context, where long string glissandi highlight subtle harmonic and timbral differences.
• Section d: A return to strength and rhythmic incisiveness, with percussion derived from numerical sequences and the other instruments presenting the notes and chords of “α” in new configurations and inversions.
• Section e: The dreamy and rarefied atmosphere of section “c” re-emerges, interrupted by brief ripples that disturb its stillness.
• Section f: An emphatic recapitulation, returning to the initial force and summarizing the “colors” explored throughout the piece, culminating in a powerful affirmation of “α”.

The composition is the result of a constant interaction between an approach based on numerical rules and aesthetic intuition: numerical elaborations provide a rich reservoir for imagination and the search for new sonorities, yet it is always the sensitivity of the ear and the composer’s personal taste that guide the final decisions.

Instrumentation:

3 flutes (III + piccolo)
2 oboes
English horn
2 clarinets (B♭ and A, II + E♭)
bass clarinet
2 bassoons
contrabassoon

4 horns in F, with mutes
3 trumpets in C, with mutes
3 trombones, with mutes (III bass trombone)
tuba

timpani + 4 percussionists
strings