- Hans Vonk, Staatskapelle Dresden, Renato Bruson, Roberto Paternostro, NHK Chamber Soloists, Josef Protschka, Munich Radio Orchestra, Kurt Peter Eichhorn, Sona Ghazarian, Ruth Ziesak, Marcus Creed, Berlin Deutsches Symphony Orchestra, Deutsches Symphony Orchestra, Berlin, Giuseppe Sabbatini, Jochen Kowalski, Hartmut Haenchen, Carl Philipp Emanuel Bach Chamber Orchestra, Cecilia Bartoli, Michele Pertusi, Rundfunk-Sinfonieorchester Berlin, Natale de Carolis, Petra-Maria Schnitzer, Dimiter Dimitrov, Sofia Symphony Orchestra, Elizabeth Carter, Claudio Otelli, Sumi Jo, Michael Knapp, Gisella Pasino, Gertrud Ottenthal, Daniela Lojarro, Marco Chingari, Nicola Ghiuselev, Sofia Philharmonic Orchestra, Rouslan Raichev, Hermann Prey, Kurt Wöss, Bratislava Philharmonic Orchestra, Marcello Viotti, Frankfurt Radio Symphony, Bamberg Symphony Chorus, Kurt Rydl, Wilfried Gahmlich, Jeanine Thames, Sylvia Greenberg & Jerrold van der Schaaf
- Janos Kovacs, Budapest Philharmonic Orchestra, Jenő Jandó, MDR Leipzig Radio Symphony Orchestra, Max Pommer, Janos Balint, Deborah Sipkai, Tibor Maruzsa, Adam Friedrich, Janos Rolla, Franz Liszt Chamber Orchestra, Rita Honti, Béla Bánfalvi, Budapest Strings, János Sándor, Götz Teutsch, Eckart Haupt, Arkadi Zenziper, Miklós Perényi, Zoltán Kocsis, Prague Festival Orchestra & Pavel Urbanek
- Anton Dikov, Sofia Philharmonic Orchestra & Emil Tabakov
- Staatskapelle Dresden, Hans Vonk, Bratislava Philharmonic Orchestra, Hermann Prey, Kurt Wöss, Georgi Robev, Bulgarian National Choir, Sofia Philharmonic Orchestra, Sumi Jo, Roberto Paternostro, Rundfunk-Sinfonieorchester Berlin, Josef Protschka, Munich Radio Orchestra, Kurt Peter Eichhorn, NHK Chamber Soloists, Giuseppe Sabbatini, Sylvia Sass, Hungarian State Opera Orchestra & Ervin Lukács
- 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
- Vladimir Ghiaurov, Vassil Kazandjiev, Sofia Philharmonic Orchestra & Sofia Soloists Chamber Ensemble
- Sofia Philharmonic Orchestra, Vladimir Ghiaurov, Vienna Philharmonic & Yuri Ahronovitch