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