| Dated: | 1972 |
| Instrumentation: | Installation of light and sound, with eight- or four-channel tape |
| Timing: | 24' |
| Premiere: | First version: October 13, 1972 at the Musée de Cluny in Paris. The second version entitled Polytope II de Cluny got its first performance on October 17, 1972. |
| Dedicated to: | |
| Commissioned by: | Michel Guy |
| Published: | Editions Salabert |
| The tape was prepared at the Studio Acousti in Paris. Recording available from Mode 98/99 |