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Reiner Goldberg

German opera singer

1

Siegfried Jerusalem

German opera vocalist

2

Waldemar Kmentt

Austrian opera singer

3

Ben Heppner

Canadian opera singer

4

Siegfried Vogel

German opera singer

5

Horst Laubenthal

German singer

6

Norma Sharp

American soprano, Professor of voice

7

Theo Adam

German bass-baritone opera singer

8

John Alexander

American tenor

9

Matti Salminen

Finnish singer

10

Norman Bailey

English singer

11

Heinz Zednik

austrian tenor

12

Norbert Ernst

Austrian singer and opera singer