Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Růžička, Karel | 1940 | 2016 | 21 |
| Rut, Josef | 1926 | 2007 | 54 |
| Rudajev, Alexandr | 1935 | 2002 | 10 |
| Rozvoda, Jiří | 1 | ||
| Rotter, Jan | 1951 | 2 | |
| Rosůlek, Antonín | 1803 | 1962 | 1 |
| Rösner, Jan | 1993 | 6 | |
| Ropek, Jiří | 1922 | 2005 | 42 |
| Rod, Rudolf, vlastním jménem Jiří Kubica | 5 | ||
| Risinger, Karel | 1920 | 2008 | 15 |
| Rinowski, Pavol | 1975 | 4 | |
| Rimon, Jan | 1921 | 1991 | 14 |
| Richter, Jiří | 1921 | 1 | |
| Riedlbauch, Václav | 1947 | 2017 | 62 |
| Rektorys, Artuš | 1935 | 16 | |
| Rejšek, Radek | 1959 | 24 | |
| Reiner, Karel | 1910 | 1979 | 110 |
| Reindl, Tomáš | 4 | ||
| Reinberger, Jiří | 1914 | 1977 | 6 |
| Rataj, Michal | 1975 | 48 |