1956/57-1965/66 Seasons
1956-1957
San Francisco Chamber Players
Amadeus Quartet
Eger Players
Schoenfeld Trio
1957-1958
Griller Quartet
Claremont Quartet
San Francisco Woodwind Quintet
Amadeus Quartet »Program«
Hollywood Quartet
1958-1959
Claremont Quartet
Paganini Quartet
Molnar-Faith-Baller Trio
Baller-Reyto
1959-1960
Jean-Pierre Rampal and Robert Veyron-Lacroix »Program«
Cappella di Musica
Trio di Bolzano »Program«
Rne Arts Quartet
Alma Trio
1960-1961
Eva Heinitz – Alice Ehlers
Claremont Quartet
Schoenfeld Trio
Los Angeles Baroque Players
1961-1962
The Netherlands String Quartet »Program«
Boccherini Quintet »Program«
Kroll Quartet »Program«
Mills Chamber Players »Program«
1962-1963
Végh Quartet »Program«
Komitas Quartet »Program«
Walfisch Duo »Program«
Ramat-Gan Chamber Orchestra »Program«
1963-1964
New Danish Quartet »Program«
Vlach Quartet »Program«
Loewenguth Quartet »Program«
Bach to Mozart Group »Program«
1964-1965
Anglian Chamber Soloists »Program«
La Salle Quartet »Program«
Végh Quartet »Program«
Danzi Woodwind Quartet »Program«
1965-1966
Brahms Piano Quartet »Program«
Alma Trio »Program«
Concentus Musicus Trio di Trieste »Program«
Oklahoma String Quartet »Program«
Trio di Trieste »Program«