| Verfasser | Häufigkeit |
| Croft, Dwayne |
2 |
| Giordani, Marcello 1962-2019 |
2 |
| Lapinski, Gina |
2 |
| Levine, James 1943-2021 |
2 |
| Mattila, Karita 1960- |
2 |
| Metropolitan Opera (New York, NY) Ballet |
2 |
| Metropolitan Opera Chorus |
2 |
| Metropolitan Opera Orchestra |
2 |
| Miryński, Janusz |
2 |
| Puccini, Giacomo 1858-1924 |
2 |
| Travis, Dale |
2 |
| Van de Vate, Nancy 1930-2023 |
2 |
| Łapiński, Zdzisław 1956- |
2 |
| Bonora, Laura |
1 |
| Carboni, Donatella |
1 |
| Davis, Michael 1937- |
1 |
| De Vincenzi, Matteo |
1 |
| Johnson, Maxine-Karen |
1 |
| Jurkowski, Eugeniusz |
1 |
| Kawalla, Szymon |
1 |