| Verfasser | Häufigkeit |
| Davis, Samuel M. |
5 |
| Jackson, Samuel L. 1948- |
5 |
| Puccini, Giacomo 1858-1924 |
4 |
| Amner, Richard |
3 |
| Caballé, Montserrat 1933-2018 |
3 |
| Carreras, José 1946- |
3 |
| Davis, Colin 1927-2013 |
3 |
| Davis, Ossie 1917-2005 |
3 |
| Davis, Samuel |
3 |
| De Palma, Piero 1925-2013 |
3 |
| Dee, Ruby 1924- |
3 |
| Dickerson, Ernest R. 1951- |
3 |
| Elvin, William |
3 |
| Giacosa, Giuseppe 1847-1906 |
3 |
| Lee, Spike 1957- |
3 |
| Murray, Ann 1949- |
3 |
| Ramey, Samuel 1942- |
3 |
| Trimarchi, Domenico 1940- |
3 |
| Turturro, John 1957- |
3 |
| Wixell, Ingvar 1931-2011 |
3 |