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