Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Kajstura, Ladislav | 1927 | 2003 | 10 |
| Kummermann, Jiří | 1927 | 1944 | 1 |
| Kupka, Karel | 1927 | 1985 | 30 |
| Křížek, Zdeněk | 1927 | 22 | |
| Knirsch, Erik | 1928 | 1 | |
| Koníček, Štěpán | 1928 | 2006 | 1 |
| Křivinka, Gustav | 1928 | 1990 | 20 |
| Kohoutek, Ctirad | 1929 | 2011 | 97 |
| Kistler, Věra, Polenová | 1929 | 2006 | 3 |
| Kučera, Václav | 1929 | 90 | |
| Karas, Rudolf | 1930 | 1977 | 6 |
| Kolafa, Jiří | 1930 | 2001 | 8 |
| Komorous, Rudolf | 1931 | 76 | |
| Kopelent, Marek | 1932 | 2023 | 136 |
| Kalach, Jiří | 1934 | 2008 | 30 |
| Klusák, Jan | 1934 | 105 | |
| Kohout, Jaroslav | 1935 | 2 | |
| Kymlička, Milan | 1936 | 2008 | 4 |
| Klapil, Pavel | 1937 | 3 | |
| Kolman, Peter | 1937 | 1 |