ENTRA



 

 

 

 
In “Riflessi solari” for instrumental group (1995), a five-sound (0,2,4,6,9) harmonic field , corresponding to a dominant major ninth, is developed canonically by one wind quintet; its opposite is given to a string quintet. The transposition grades of “Riflessi solari” follow a series of 22 figures, given by the intersection of all intervals in an ascending  order and of all intervals in a descending order (11-2-1-1-2-11-3-10-4-9-5-8-6-7-7-6-8-5-9-4-10-3); there derives a four-voice canon, of which the  unison entries are placed at two 11/8 measure intervals. The five voices complete vertically the  (0,2,4,6,9) sound field. The whole piece develops at the same time at its opposite, so that there derives another canon, which is opposite the first one. In the same way as  “Riflessi lunari”, the piece is divided in three parts. In the first part the first canon develops, and then the second one (opposite); in the second part the first canon develops at the same time as the second one; in the third part the opposite appears at first and finally the original one again.
Musical Kaleidocycles

 

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