Denon

Muhai Tang, Koninklijk Filharmonisch Orkest van Vlaanderen, Mostar Sinfonie Orchester, Ilmar Lapinsch

Alfred Brendel, Friederich Wuhrer

Academy Chamber Choir, Zubin Mehta, Clemens Krauss

Moravian Philharmonic Orchestra, Frank Shipway, Tovijs Lifsics, Latvian Philharmonic Chamber Orchestra, Natalia Gutman, Behal Stanislav, Apolin Stanislav, Christian Mattick, Lothar Kirsch, Dietmar Flosdorf

Symphonic Orchestra Baden Baden, Klaus Arp, Orchestra of the Viennese Volksoper, Carl Michalski, Sinfonia Rundfunk-Sinfonieorchester Berlin, Helmut Koch, Moscow RTV Symphony Orchestra, Vladimir Fedoseyey, Peter Falk, Orchester der Wiener Volksoper, Royal Philharmonic Orchestra London, Frank Shipway

Latvian Philharmonic Chamber Orchestra, Ilmar Lapinsch & Riga Radio Choir, Drazan Milas, Tibor Bauer, Howard Griffiths, Strings of Zurich, Peter Salomon, Luzius Gartmann, Marie-Luise Dähler, Emanuel Abbühl, Kurt Redel, Chamber Orchestra Labacensis

Hannspeter Gmür, Camerata Rhenania, Gerhard Vetter, Slovak Chamber Orchestra, Bohdan Warchal, Guy Touvron

Leningrad Philharmonic Orchestra, Ravil Martinov, Sergeij Stadler, Kyril Kondrashin, Orchestra of the Moscow Philharmonic Society, David Oistrakh, Guido Schiefen, Olaf Dressler

Prof. Hugo Steurer, Ivan Sokol

Eugen Duvier, Camerata Romana, Jan Fleury, Alberto Lizzio, Mozart Festival Orchestra, Peter Jankovic, Salzburg Soloists, Alfred Scholz, Prague Chamber Orchestra, Milan Lajcik, Slovac Chamber Orchestra, Bohdan Warchal

Royal Philharmonic Orchestra, Frank Shipway, National Symphony Orchestra Olsztyn, Igor Gogol, Moscow RTV Large Symphony Orcherstra, Fuat Mansurov, Orchestra Internazionale d'Italia, Leone Magiera