Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| 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 | ||
| Ivanschicz, Amandus P. | 1847 | 1937 | 1 |
| Ivanovič, Marko | 1976 | 21 | |
| Ištvan, Radomír | 1959 | 39 | |
| Ištvan, Miloslav | 1928 | 1990 | 104 |
| Indrák, Michal | 1982 | 5 | |
| Illín, Evžen | 1924 | 1985 | 5 |
| Ille, Tomáš | 6 | ||
| Iglo, Milan | 1933 | 10 | |
| Iglo, Marek | 1968 | 5 | |
| Chvalovský, Karel | 1902 | 1977 | 1 |
| Churáček, Jiří | 1960 | 11 | |
| Chromá, Denisa | 2 |