| Author | Composition title | Creation Year | Signature |
|---|---|---|---|
| Jirovec Vojtech | Symfonie F dur op.6 c. 3 | 2386-7, 3474 | |
| JISA Robert | Aquarius | ||
| JISKRA Josef | Serenada | ||
| Jonak Zdenek | Canzonetta in Es | 7133 | |
| Jonak Zdenek | Ciaccona na starocesky choral | 1993 | |
| Jonak Zdenek | Dum nas | 9363 | |
| Jonak Zdenek | Dupak | 343, 3346-7, 4869 | |
| Jonak Zdenek | Flasinetovy valcik | 1979 | 7156 |
| Jonak Zdenek | Jarni melodie | 6380 | |
| Jonak Zdenek | Kantata o miru | 1977 | 7055 |
| Jonak Zdenek | Komorni symfonie | 3756 | |
| Jonak Zdenek | Komorni symfonie | 1993 | |
| Jonak Zdenek | Koncert | 1965 | 1113 |
| Jonak Zdenek | Koncert pro trubku a orchestr | 1974 | 6354 |
| Jonak Zdenek | Maly choral | 1992 | 10268 |
| Jonak Zdenek | Mam ji rad | 6408 | |
| Jonak Zdenek | Melodie | 1975 | 6986, 6988 |
| Jonak Zdenek | Mlade trubky | 1974 | 5755 |
| Jonak Zdenek | Na bratrstvi | 1970 | 7523-4 |
| Jonak Zdenek | Opona vzhuru | 1973 | 5609 |