0
Nadine Secunde
American opera soprano
1
Isoldé Elchlepp
German singer and opera singer
2
Jeannine Altmeyer
singer
3
Evelyn Herlitzius
German opera singer
4
Roberta Knie
singer
5
Hanna Schwarz
German mezzo-soprano
6
Gabriele Schnaut
German singer
7
Norma Sharp
American soprano, Professor of voice
8
Jon Vickers
Canadian singer
9
Ute Trekel-Burckhardt
German singer and opera singer
10
Siegfried Vogel
German opera singer
11
Reiner Goldberg
German opera singer
12
Hermann Prey
opera singer
13
Jean Cox
American operatic tenor
14
Júlia Várady
singer
15
Josef Greindl
German opera singer
16
Hanna Ludwig
German singer and opera singer
17
Dietrich Fischer-Dieskau
German lyric baritone and conductor
18
Trudeliese Schmidt
German singer and opera singer
