vii

Table of Contents

Preface Sharon Kanach x

Contributors xvii

Introduction A Conversation about Music between Iannis Xenakis and David Rosenboom xxx

Contexts

Carey Lovelace Looking at Xenakis Looking at Sound 1

Karen Reynolds and Roger Reynolds “Tradition is the Originality of the Past” (Memories of the Xenakis @ UCSD Festival) 13

Wolfang von Schmeinitz Iannis Xenakis’ Contribution to 20th Century Atonal Harmony and to the History of Equal Temperament (The Aristoxenean Sieve Theory and the Ptolemaic Alternative) 25

Robert Rowe Iannis Xenakis and Algorithmic Composition: Precursors, Co-cursors, Post-cursors 39

viii XENAKIS MATTERS

Joel Chadabe Complexity in the Electronic Music of Iannis Xenakis 53

Jimmie Leblanc Xenakis’ Æsthetic Project: The Paradoxes of a Formalist Intuition 59

Eric Lewis The Cosmic Alloy: Xenakis as Platonic Demiurge 81

Brian Kane Xenakis: The First Composer of Biopolitics? 91

Olga Touloumi The Politics of Totality: Iannis Xenakis’ Polytope de Mycènes 101

Processes

Robert Wannamaker Mathematics and Design in the Music of Iannis Xenakis 127

Joseph Clarke Temporal Modes of Architectural Formation 143

Ronald Squibbs Varieties of Transformation in Xenakis’ Metastaseis 157

Benjamin R. Levy Clouds and Arborescences in Mycenae Alpha and the Polytope de Mycènes 173

Fabrice Marandola Of Paradigms and Drums: Analyzing and Performing Peaux from Pléïades 185

James Harley Graphic Conception of Musical Structure and Sonority in Jonchaies by Iannis Xenakis 205

Ben Duinker Rebonds: Thoughts on Structure and Performance 219

ixCONTENTS

Robert Hasegawa Coherence and Incoherence in Xenakis’ Embellie 231

Daniel Teige Dead or Alive. Aspects Concerning the Performance and Interpretation of Xenakis’ Polytopes today 245

Applications

Carl Skelton Five Points, New York 257

David Lieberman The Performity of Space—Architecture as the Production of Sound and Light 273

Athanassios Economou and Thomas Grasl Spatial Sieves 287

Stefan Smulovitz Kenaxis–inspired by the hand of Xenakis 315

Christopher Dobrian Realtime Stochastic Decision Making for Music Composition and Improvisation 325

Arthur Kampela Micro-metric Rhythms and Noises: Emanations from the Stochastic Cloud 341

Christopher Ariza Designing and Deploying Non-Octave- Repeating Scales with the Xenakis Sieve 363

Curtis Roads Grains, Forms, and Formalization 385

Chris Salter n-polytope (after Xenakis) 411

Appendix 423

Index 431