- Vassil Stefanov, Sofia Symphony Orchestra, Sofia Philharmonic Orchestra, Bulgarian National Svetoslav Obretenov Choir, Georgi Robev, Emil Tabakov, Sofia National Opera Chorus, Sofia National Opera Orchestra, Boris Hinchev, Ilona Tokody, Andras Mihaly, Hungarian State Opera Orchestra, Andras Korodi, Budapest Philharmonic Orchestra, György Melis, Vilmos Komor, János Sándor, Klára Takács, Giuseppe Patane, Rouslan Raichev, Stefka Evstatieva, Bulgarian Radio Symphony Orchestra, Stoyan Angelov, Wolfgang Schone, Pinchas Steinberg, Cologne Radio Symphony Orchestra, Claudio Otelli, Cecilia Bartoli, Rundfunk-Sinfonieorchester Berlin, Roberto Paternostro, Giuseppe Sabbatini, Michael Knapp, Gertrud Ottenthal, Hermann Prey, Bratislava Philharmonic Chamber Orchestra & Kurt Wöss
- János Sándor, Budapest Philharmonic Orchestra, Dezsö Ránki, Toulouse National Chamber Orchestra, Alain Moglia, Jenő Jandó, András Ligeti, Budapest Symphony Orchestra, Andras Korodi, Andrea Vigh, Eszter Horgas, Dénes Várjon, Hans Vonk, Staatskapelle Dresden, Sofia National Opera Orchestra, Atanas Margaritov, Evelyn Dubourg, MDR Leipzig Radio Choir, MDR Leipzig Radio Symphony Orchestra & Max Pommer
- Camerata Salzburg & Sandor Vegh
- Boris Christoff
- Sir Neville Marriner, Academy of St Martin in the Fields, John Constable, Symphonic Festival Orchestra, Dragomir Divisek, Sudwest Chamber Orchestra, Wilhelm Keitel, Klaus-Peter Hahn, Moscow State Radio and Television Symphony Orchestra, Marco Bertone, Mozart Festival Orchestra, London Philharmonic Orchestra, Arturo Leonard, Vienna Volksoper Orchestra, Alfred Scholz & Moscow Radio Symphony Orchestra
- ORKESTAR OPERE HRVATSKOG NARODNOG KAZALIŠTA, London Festival Orchestra, Nürnberger Symphoniker, Philharmonia Slavonica, Camerata Labacensis, Orchestra Operei Române, Choir of the Romanian Opera in Bucharest, Jovan Sajnovic, Alfred Scholz, Hanspeter Gmür, Kurt Redel, Milan Sachs & Constantin Petrovici
- Erich Kleiber, Chorus of the Vienna State Opera, Anny Felbermayer, Hilde Rössel-Majdan, Murray Dickie, Cesare Siepi, Harald Pröglhöf, Alfred Poell, Hilde Gueden, Lisa Della Casa, Suzanne Danco, Fernando Corena, Hugo Meyer-Welfing & Vienna Philharmonic