1957 PARTICIPANTS AS OF SEMI FINALS
SOPRANOS
| Valerie Cardnell (Surbiton, UK)  |
Nelliy van Dijkhuizen (Voorburg, NL)  |
Maria van Dongen (Zaandam, NL)  |
| Sheila Fletcher (Sheffield, UK)  |
Gabrielle Obremba -Wajda (Warschaw, PO)  |
Inge Wolff (Vienna, AU)  |
ALTOS
| Peggy Castle (Ruddersford, UK) |
Renate Günther (Berlin, GE) |
Maria Verbruggen- Verhaert (Antwerp, BE) |
TENORS
| Simon van der Geest (Haarlem, NL)  |
Ferdinand Koch (Coesfeld, GE)  |
BARITONES & BASSES
| Ranken Bushby (Ilford-Essex, UK)  |
Derek Stroud (London, UK)  |
Barr Peterson (Münster, GE / US) |
UNKNOWN VOICE CATEGORY
| Paul Schotsmans (Antwerpen, BE) |
Eddy le Greve (Mechelen, BE) |
Jan Stroobants (Antwerpen, BE) |
