


Morton Feldman and Iannis Xenakis In conversation (for full text click the title above) excerpt: […] Xenakis: There are three reasons why I use quarter-tones. The first reason is to enrich the sound with the beats that they produce and with the impossibility to distinguish pitches when they are very close, especially when you have many string instruments because they are able...

1960 music for piccolo, horn, cello, and percussion by Iannis Xenakis for the film “Vasarely” In 1960, Xenakis composed the music NEG-ALE for Peter Kassovitz’s “Vasarely”, an abstract film on the artwork of Op-Art master Victor Vasarely, documenting an exhibition of that painter’s work at the Denise Renée Gallery. Xenakis provided music in the form of a piece entitled NEG-ALE for piccolo, horn,...