| Index | na002 |
| Composer | NAGASAWA Katsutoshi |
| Japanese Title |
Tanoshii renshûkyoku |
| Title | Joyful etude |
| Year of Composition |
1975 |
| Instrumentation | shakuhachi, koto |
| Length | |
| Noten text | Zen-on |
| Sound source | Record:Victor |
| Commisioned by | |
| Remarks | |
| Code of music | na002-041 |
| Sound | |
| Image |