| Index | na005 |
| Composer | NAKASHIMA Yasuko |
| Japanese Title |
Yottsu no sokkyôkyoku |
| Title | Four impromptus |
| Year of Composition |
1976 |
| Instrumentation | jûshichigen solo |
| Length | |
| Noten text | |
| Sound source | 25AG142, 28AG878, CSCL1592 |
| Commisioned by | |
| Remarks | |
| Code of music | na005-003 |
| Sound | |
| Image |