Marcello Viotti, Marcus Creed, Plovdiv Philharmonic Orchestra, Anna Tomowa-Sintow, Ulrike Steinsky, Hungarian State Opera Orchestra, Frankfurt Radio Symphony, Sofia Symphony Orchestra, Rouslan Raichev, Michail Angelov, Alexandrina Pendatchanska, WDR Sinfonieorchester Köln, Pinchas Steinberg, András Kórodi, Rundfunk-Sinfonieorchester Berlin, Cologne Radio Chorus, Lamberto Gardelli, Sylvia Sass, Budapest Symphony Orchestra, Hungarian State Opera Chorus, Ruth Ziesak, Lucia Aliberti, Sylvia Greenberg, Ghena Dimitrova
