Since I started composing I have always worked with series of tempos, even superimposed the music of different groups of musicians, of singers, instrumentalists who play and sing in different tempos simultaneously and then meet every now and then in the same tempo.

But since the middle of the century in particular, the music has become very irregular in rhythm.

And harmony means that the relationship between all the elements used in a composition is balanced, is good.

Whenever I felt happy about having discovered something, the first encounter, not only with the public, with other musicians, with specialists, etc, was that they rejected it.

Music is mathematics, the mathematics of listening, mathematics for the ears.

I was horrible at everything I ever tried to do and people respect me. The American Dream has come true!!

The September 11 attacks were the greatest work of art in the cosmos...compared to that, we composers are nothing