Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Opálková, Tereza | 2 | ||
| Opršál, Martin | 1968 | 1 | |
| Orany, Otto | 1 | ||
| Ostrčil, Otakar | 1879 | 1935 | 19 |
| Osvald, Miloslav | 1946 | 8 | |
| Otto, Valerius | 2 | ||
| Ožana, Petr | 1 | ||
| Pádivý, Karel | 1908 | 1966 | 1 |
| Pahor, Karol | 1896 | 1974 | 2 |
| Pachman, Richard | 1966 | 1 | |
| Páchová, Lucie | 5 | ||
| Pakandl, Jiří | 4 | ||
| Páleníček, Josef | 1914 | 1991 | 38 |
| Pálka, Dušan | 1909 | 1998 | 2 |
| Pálka, Tomáš | 1978 | 79 | |
| Palkovský, František | 1900 | 1971 | 1 |
| Palkovský, Oldřich | 1907 | 1983 | 62 |
| Palkovský, Pavel | 1939 | 9 | |
| Pallas, Roman | 1978 | 16 | |
| Palouček, Alois | 1931 | 16 |