| Verfasser | Häufigkeit |
| Charles, Susan T. |
3 |
| Erickson, Kaaren 1953-1997 |
2 |
| Jerusalem, Siegfried 1940- |
2 |
| Kesling, Diane 19XX- |
2 |
| Levine, James 1943-2021 |
2 |
| Ludwig, Christa 1928-2021 |
2 |
| Metropolitan Opera Orchestra |
2 |
| Parsons, Meredith |
2 |
| Salminen, Matti 1945- |
2 |
| Taussig, Walter 1908-2003 |
2 |
| Wagner, Richard 1813-1883 |
2 |
| Webb, Adrian L. |
2 |
| Webb, Susan |
2 |
| Wlaschiha, Ekkehard 1938-2019 |
2 |
| Andre, Annette |
1 |
| Baker, Jennifer |
1 |
| Baker, Mark |
1 |
| Baker, Susan |
1 |
| Bean, Gweneth |
1 |
| Behrens, Hildegard 1937-2009 |
1 |