Iannis Xenakis · 1922–2001 · Greek-French
| Composed | 1974 |
| Instrumentation | Not yet confirmed. We publish TBD rather than a guess — a wrong instrumentation is a hiring error that costs real money. |
| Duration | 15 minutes |
| Tier | Discovery — worth programming, rarely heard |
| Editions & hire | Durand-Salabert-Eschig (UMPC) ↗ |
| Source | Les Amis de Xenakis — Erikhthon ↗ |