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