| Verfasser | Häufigkeit |
| Oldman, Gary 1958- |
24 |
| Oppitz, Gerhard 1953- |
11 |
| Ortiz, Gumbi |
9 |
| Osby, Greg 1960- |
9 |
| Aumüller, Uli 1945- |
8 |
| Beauvoir, Simone de 1908-1986 |
8 |
| Mozart, Wolfgang Amadeus 1756-1791 |
8 |
| Osterwald, Grete 1947- |
8 |
| Ottenthal, Gertrud 1958- |
8 |
| Zimmer, Hans 1957- |
8 |
| Di Meola, Al 1954- |
7 |
| Dvořák, Antonín 1841-1904 |
6 |
| Orloff, Gene |
6 |
| Wagner, Richard 1813-1883 |
6 |
| Corena, Fernando 1916-1984 |
5 |
| Da Ponte, Lorenzo 1749-1838 |
5 |
| Larin, Boris Aleksandrovič 1893-1964 |
5 |
| Massenet, Jules 1842-1912 |
5 |
| Oddone, Graciela ca. 20./21. Jh |
5 |
| Ohlsson, Garrick 1948- |
5 |