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