| Verfasser | Häufigkeit |
| Middleton, J. Richard 1955- |
4 |
| Middleton, Peter 19XX- |
3 |
| Altmeyer, Jeannine 1948- |
2 |
| Bayreuther Festspiele Festspielorchester |
2 |
| Boulez, Pierre 1925-2016 |
2 |
| Bull, Peter 1912-1984 |
2 |
| Clarke, Katie |
2 |
| Glauser, Elisabeth 1943- |
2 |
| Gramatzki, Ilse 1939- |
2 |
| Hofmann, Peter 1944-2010 |
2 |
| Johnson, Karl |
2 |
| Jones, Gwyneth 1936- |
2 |
| Killebrew, Gwendolyn 1939-2021 |
2 |
| Leland, John 1691-1766 |
2 |
| McIntyre, Donald 1934- |
2 |
| Mead, William Edward 1860-1949 |
2 |
| Middleton, Christopher 1560-1628 |
2 |
| Middleton, J. Richard |
2 |
| Middleton, Karen |
2 |
| Reppel, Carmen 1941- |
2 |