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