Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Janovický, Karel | 1930 | 40 | |
| Janošík, Michal | 1972 | 13 | |
| Janeček, Karel | 1903 | 1974 | 42 |
| Janda, Petr | 1942 | 4 | |
| Janda, Antonín | 1891 | 1961 | 1 |
| Janárčeková, Viera | 5 | ||
| Janáková, Adriana | 1979 | 6 | |
| Janáček, Bedřich | 1920 | 33 | |
| Jakubíček, Martin | 1965 | 4 | |
| Jakeš, Petr | 1 |