Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Jurovský, Šimon | 1912 | 1 | |
| Jurkovič, Pavel | 1933 | 2015 | 1 |
| Jurišová, Zlatica | 1968 | 15 | |
| Junk, Petr | 1944 | 2 | |
| Juchelka, Miroslav | 1922 | 2001 | 48 |
| Jonák, Zdeněk | 1917 | 1995 | 35 |
| Jíša, Robert | 1 | ||
| Jiskra, Josef | 1935 | 1 | |
| Jiřím, J. | 1917 | 1 | |
| Jirucha, Jan | 7 | ||
| Jírový, Ondřej | 1 | ||
| Jirmal, Jiří, Novák | 1925 | 2019 | 2 |
| Jirkovský, Jindřich | 1933 | 2 | |
| Jírková, Olga | 1926 | 4 | |
| Jirko, Ivan | 1926 | 1978 | 53 |
| Jirásek, Ondřej | 1964 | 5 | |
| Jirásek, Jan | 1955 | 36 | |
| Jirásek, Ivo | 1920 | 2004 | 66 |
| Jirák, Karel Boleslav | 1891 | 1972 | 83 |
| Jiráčková, Marta | 1932 | 32 |