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