| Date of composition | 1980 |
| Premiered | 1980 in Paris, France |
| First published | Universal Edition |
| Dedicated to | Michel Arrignon |
| Approx. duration | 13 minutes |
| Instruments | Clarinet |
| Autotranslations beta |
Luciano Berio: Sequenza IXa Luciano Berio: Sequenza IXa Luciano Berio: Sequenza IXa |