In “Rodion” for strings (1990), the  (0,1,2,4,5,6,8,10) “glass-window” chord develops freely upon transposition grades forming a (1-2-1-4-1-6-1-8-1-10) series of 10 figures . In “Flussi ermetici”, for wind quartet, the  (3,7,9,11) chord, complementary to the previous one, is used upon the  transposition grades. It is possible to superimpose the two pieces and to perform them simultaneously.

Rodion, for strings (1990) Lenght: 10'. 
Recording effected in Milan, Auditorium G.Di Vittorio, Orchestra Cantelli. Conductor: Alfredo Sorichetti, 4 February 2000.

Flussi Ermetici, for wind quartet (1990) Lenght: 5'.
Recording effected in Bologna, Sala Mozart, Quartetto a Perdifiato, 24 February 1996.
Musical Kaleidocycles