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