VAGOPOULOU Evaggelia, Cultural Tradition and Contemporary Thought in Iannis Xenakis’s Vocal Works, PhD, University of Bristol, 2007, 226 p.
This thesis is devoted to aspects of vocal music of Xenakis. The first chapter provides an extensive introduction. The second chapter is devoted to the Oresteia, which he studied the intentions, the relationship to the text and some musical aspects (including the relationship to ancient Greece). The third chapter is over Nights, Greylag and N'Shima. A final chapter is devoted to vocal solo works: Kassandra, Als, The Goddess Athena, to Maurice. The thesis contains interviews with Annex Spyros Sakkas and Françoise Xenakis.