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