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