1964 · Helmut Koch – Vulpius, Rönisch, Prenzlow

1964 · Carlo Moresco – Tagliavini, Valentino, Albanese

1964 · Fausto Cleva – Kónya, Guarrera, Tebaldi

1964 · Napoleone Annovazzi – Pavarotti, Orazi, Tosini

1964 · Mario Rossi – Stella, Limarilli, Paskalis

1964 · Nicola Rescigno – Marimpietri, Stefano, Sordello

1964 · Pedro Ignacio Calderon – Scotto, Shirley, Mattiello

1964 · Anton Guadagno – Kirsten, Corelli, Colzani

1964 · Evgueni Svetlanov – Andzhaparidzye, Klenov, Milashkina

1964 · Fausto Cleva – Tebaldi, Corelli, Gobbi

1964 · Fausto Cleva – Nilsson, Corelli, London

1964 · Francesco Molinari-Pradelli – Olivero, Labò, Guelfi

1964 · Anton Guadagno – Tebaldi, Stefano, Quilico

1964 · Bruno Bartoletti – Crespin, Tucker, Gobbi

1964 · Alexandr Melik-Pashaev – Nechipaylo, Vishnevskaya, Valaitis

1964 · Fernando Previtali – Labò, Roberti, MacNeil

1964 · Bruno Bartoletti – Gencer, Lazzarini, Prevedi

1964 · Georges Prêtre – Casa, Kmentt, Berry

1964 · Leopoldo Casella – Martel, Pontiggia, Corena

1964 · István Kertész – Berry, Lorengar, Kmentt, Peters, Kreppel

1964 · Franz Marszalek – Anders, Jurinac, Hann

1964 · Armando Alberti – Höngen, De Vine, Albanese

1964 · Charles Groves – Brannigan, Peters, Studholme, Ward, Young

1964 · Norbert Schultze – Prey, Rothenberger, Hoppe

1964 · Maurice de Abravanel – Davrath, Christensen

1964 · Charles Mackerras – Collier, Dempsey, Herincx

1964 · Ferdinand Leitner – Fischer-Dieskau, Söderström, Pütz

1964 · Nino Stinco – Labò, Cavalieri, Morquio

1964 · Carlo Maria Giulini – Glossop, Jones, Simionato

1964 · Jean Paul Kreder – Peyron, Pruvost, Lovano