Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Juza, Jan | 1979 | 6 | |
| Janáková, Adriana | 1979 | 6 | |
| Janošík, Michal | 1972 | 13 | |
| Jurišová, Zlatica | 1968 | 15 | |
| Jakubíček, Martin | 1965 | 4 | |
| Jirásek, Ondřej | 1964 | 5 | |
| Ježková, Olga | 1956 | 51 | |
| Jirásek, Jan | 1955 | 36 | |
| Jelínek, Miki | 1950 | 1 | |
| Jeřábek, Pavel | 1948 | 2001 | 29 |
| Jelínek, Stanislav | 1945 | 122 | |
| Junk, Petr | 1944 | 2 | |
| Janda, Petr | 1942 | 4 | |
| Juřica, Leon | 1935 | 2014 | 49 |
| Jiskra, Josef | 1935 | 1 | |
| Jíra, Milan | 1935 | 48 | |
| Jurkovič, Pavel | 1933 | 2015 | 1 |
| Jirkovský, Jindřich | 1933 | 2 | |
| Jedlička, Václav | 1933 | 1 | |
| Jiráčková, Marta | 1932 | 32 |