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