Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Klíma, Alois | 1905 | 1980 | 1 |
| Kypta, František Alois | 1906 | 1969 | 3 |
| Kabeláč, Miloslav | 1908 | 1979 | 55 |
| Kubín, Rudolf | 1909 | 1973 | 37 |
| Kyral, Vilém | 1909 | 1961 | 8 |
| Kaňák, Zdeněk | 1910 | 1991 | 2 |
| Kaleta, Pavel | 1912 | 1991 | 1 |
| Khel, Viktor | 1912 | 1974 | 2 |
| Komma, Karl Michael | 1913 | 2 | |
| Kozderka, Ladislav | 1913 | 1999 | 6 |
| Kardoš, Dezider | 1914 | 2 | |
| Kubelík, Rafael | 1914 | 1996 | 2 |
| Kapr, Jan | 1914 | 1988 | 79 |
| Kijonka, Vilém | 1915 | 1 | |
| Kaprálová, Vítězslava | 1915 | 1940 | 29 |
| Klusák, Vladimír | 1916 | 1991 | 2 |
| Kainar, Josef | 1917 | 1971 | 1 |
| Kašlík, Václav | 1917 | 1989 | 13 |
| Korbař, Leopold | 1917 | 1990 | 6 |
| Koželuha, Lubomír | 1918 | 2008 | 51 |