“You’ll hear clouds of minutely detailed orchestral sonority wrap around the solo part, like flocks of small birds mobbing an avaricious raptor; and you’ll hear a near-continuous rhythmic intensity and textural violence that takes your breath away.”

Xenakis resisted the label of being a mere mathematician in music just as surely as he refused the idea of his music’s political or social message, and it was of course how he used those scientific principles (outlined in his book, Formalized Music) to create pieces of shattering visceral power.

SOURCE (author: Tom Service) — A guide to Iannis Xenakis’s music