Sofia Philharmonic Orchestra, Alexander Panteleev, Bulgarian National Choir, Antoaneta Besparova, Georgi Robev, Pavina Ivanova, Bozhidar Mitroushev, Roumyana Bobeva, Peter Yanukov, Ognyan Vassilev, Valentina Hristova, Ivan Moutafchiev, Stefan Vassilev, Maria Stoicheva, Nicolina Pankova, Lilyana Ovcharova, Vassil Marchev, Roumyana Tsacheva, Lyobmir Mihailov, Magdalena Hajossyova, Rundfunk-Sinfonieorchester Berlin, Dietrich Knothe, Dimitur Yanakiev, Yulia Barumova, Karl-Heinz Schmieder, Ekkehard Wagner, Gisela Fetting, Astrid Pilzecker, Marcus Creed, RIAS Chamber Chorus, Werner Hollweg, Walton Grönroos, Celina Lindsley & Gabriele Schreckenbach