Bulgarian National Svetoslav Obretenov Choir, Dimiter Dimitrov, Moscow Rybin Choir, Nikolai Stanchev, Miroslav Popsavov, Georgi Robev, Daniela Soicheva, Ivan Petrov, Stanka Markova, Sofia Chamber Orchestra, Yoan Kukuzel-Angeloglassniyat Ensemble, Sofia Radio Choir, Mihail Milkov
