Petros Petridis, Sophia Kyanidou, Theodora Baka, Angelo Simos, Christophoros Stamboglis, Golden Voices of Ruse, Sofia Metropolitan Golden Voices, Sofia Amadeus Orchestra, Nikolaos Mantzaros Wind Ensemble, Βύρων Φιδετζής
Theodora Baka, Rainer Scheurenbrand
