IVC Den Bosch
1954 Timo Jacobs (t)
1954 Frans Meulemans (bt)
1954 Hans Wilbrink (bt)
1955 Jean Capiaux (bs)
1955 Albert van Haasteren (b/bt)
1956 Edna Graham (s)
1956 Ladislav Mráz (bs)
1956 John Noble (bt)
1957 André Rieu Jr (conductor)
1958 Jerzy Artysz (bt)
1958 Evelyn Lear (ms)
1959 Lia Rottier (s)
1959 Arthur Loosli (bb)
1960 Bert Olsson (bt)
1960 Károly Schmidt (bs)
1961 John Wiles (bt)
1962 Richard Novák (bs)
1963 Anthonie Dutkiewicz1963 Rineke Cornelissens
1963 Jean Jacques Schreurs
1963 Ewa Dubrowska
1963 Lucienne van Dyck
1963 Peter Leening
1967 Robert Lloyd (bs)
1967 Heljä Angervo (ms)
1967 Nigel Wickins (bt)
1967 Louis Williams (bs)
1968 Kaja Borris (ms)
1968 Ilie Baciu (bs)
1969 Else Paaske (alto)
1970 Erich Knodt (bt)
1970 Gino Bechi (Juror – bs)
1970 Tom Haenen (b)
1971 Yuko Tsuji (ms)
1971 Johannes den Hertog (Conductor)
1971 Arta Florescu (Juror – s)
1972 Adelheid Krauss (ms)
1972 Marcel Vanaud (bs)
1974 Nadezhda Vainer (a/ms)
1974 Andrew Knight (bb)
1974 László Polgár (bs)
1974 Anne Haenen (s)
1978 David James (ct)
1978 Ingemar Korjus (bt)
1978 Henry Haas (bt)
1979 Liliane Bizineche
1979 Mary Burgett
1979 Howard Crook
1979 Henry Herford
1979 Peter Savidge
1979 Christopher Royall
1979 Kalevi Olli
1979 Catriona Bell
1979 Dariusz Niemirowicz
1979 Judith Mok
1979 Piet Nievelstein
1979 Fiona Dobie
1979 Mary Burgett
1979 Howard Crook
1979 Henry Herford
1979 Peter Savidge
1979 Christopher Royall
1979 Kalevi Olli
1979 Catriona Bell
1979 Dariusz Niemirowicz
1979 Judith Mok
1979 Piet Nievelstein
1979 Fiona Dobie
