| Verfasser | Häufigkeit |
| Stapleton, Oliver 1948- |
4 |
| Arroyo, Martina 1936- |
2 |
| Barrett, David |
2 |
| Cappuccilli, Piero 1929-2005 |
2 |
| Collins, Kenneth |
2 |
| Cossotto, Fiorenza 1935- |
2 |
| Domingo, Plácido 1941- |
2 |
| Giorgetti, Giorgio 1922- |
2 |
| Grist, Reri 1932- |
2 |
| Howell, Gwynne 1938- |
2 |
| Muti, Riccardo 1941- |
2 |
| O'Connell, Eddie |
2 |
| Stapleton, David C. |
2 |
| Stapleton, Robin |
2 |
| Van Allan, Richard 1935-2008 |
2 |
| Verdi, Giuseppe 1813-1901 |
2 |
| Ades, David |
1 |
| Adu, Sade 1959- |
1 |
| Bates, Tyler 1965- |
1 |
| Berkoff, Steven 1937- |
1 |