In “Complainte” for 2 flutes, 2 harps, celesta and reciting voice (1995), and in “Armonie sferiche”, for strings in 14 parts, the two  “Prometheus” chords, minor (or 0, 1,3,4,6,7,10) and major (0,1,3,4,6,8,10) succeed each other on transposition grades based on the alternation of two figures: 2-3. In “Vana sonoritas” for nine horns,  the chord (0,1,3,5,7,9) also revolves on transpositions grades based on the alternation of the two figures 2-3.


Complainte,  (1987-rev.1995) Lenght: 3'. 
Recording effected in Bologna, Accademia Filarmonica, Loie Fuller Ensemble (26/10/96). Editing: Studio Allimite, Bologna

Vana Sonoritas, for nine horns (1986, rev.1995) Lenght: 8'. 
Recording effected in Bologna, Accademia Filarmonica, I Corni del Reno, Direttore: Luigi Verdi (23/11/95). Editing: Studio Allimite, Bologna. Agenda Edizioni, Bologna (1999).
Musical Kaleidocycles