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,...