| Dated: | 1971 |
| Instrumentation: | Light and sound (eight-channel tape) |
| Timing: | 56' |
| Premiere: | August 26, 1971 at the Shiraz Festival in Persepolis (Iran) |
| Dedicated to: | |
| Commissioned by: | |
| Published: | Editions Salabert |
| The tape was created at the Studio Acousti in Paris. Recording available from Fractal Records FR100. |