Question: To what country did Iannis Xenakis flee in the same year that Mark Kidel was born?
Sentence (from "Formalized Music"): It was published in Paris in 1963 as "Musiques formelles: nouveaux principes formels de composition musicale" as a special double issue of "La Revue musicale" and republished in an expanded edition in 1981 in Paris by Stock Musique.
Relevant evidence: No