| Date of composition | 1965 |
| Premiered | 1965, October 19th (Freie Volksbuhne) in Berlin, Germany |
| Approx. duration | 15 minutes |
| Instruments | Magnetic tape |
| Autotranslations beta |
Luigi Nono: Die Ermittlung Luigi Nono: Die Ermittlung Luigi Nono: Die Ermittlung |