소피아 필하모닉 오케스트라, 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, 베를린 방송 교향악단, Dietrich Knothe, Dimitur Yanakiev, Yulia Barumova, Karl-Heinz Schmieder, Ekkehard Wagner, Gisela Fetting, Astrid Pilzecker, Marcus Creed, RIAS Chamber Chorus, 베르너 홀베크, 발톤 그뢴로스, Celina Lindsley & Gabriele Schreckenbach