| Titel |
| Improvisations 1-4 |
| ID | Titel | Interpret | Hauptinterpret | Interpret | Urheber | Funktion | Industrie-Nummer | NUMMER | NAME | JAHR | Interprtet Unique ID |
| 1.266.678 | Improvisations 1-4 | Bailey, Derek | Incus 3/4 (GB) | 1 | Improvisations 1-4 | 1970/08 | 505.876 | ||||
| 1.266.676 | Improvisations 1-4 | Guy, Barry | Incus 3/4 (GB) | 1 | Improvisations 1-4 | 1970/08 | 141.756 | ||||
| 1.266.677 | Improvisations 1-4 | Rutherford, Paul | Incus 3/4 (GB) | 1 | Improvisations 1-4 | 1970/08 | 310.976 |