Iannis Xenakis · 1922–2001 · Greek-French
| Composed | 1977 |
| Instrumentation | 4 4 6 4 — 6 4 4 1 — tmp+5 — hp — str |
| Duration | 17 minutes |
| Tier | Discovery — worth programming, rarely heard |
| Editions & hire | Durand-Salabert-Eschig (UMPC) ↗ |
| Source | Les Amis de Xenakis — Jonchaies ↗ |
Read in standard international shorthand: flutes · oboes · clarinets · bassoons — horns · trumpets · trombones · tuba — timpani · percussion — harp · keyboard. Section counts include doubling players. Always confirm against the publisher's official parts list before contracting musicians or renting materials.