Sofia Boy's Choir, Nikolai Stanchev, Mihail Milkov, Miglena Spassova, Ivan Ivanovich Petrov, Sofia Orthodox Ensemble, Miroslav Popsavov, Moscow Rybin Choir, Vladimir Makarov, Dimiter Dimitrov, Yoan Kukuzel-Angeloglassniyat Ensemble, Georgi Robev, Bulgarian National Choir & Vassilka Naidenova
Moscow Rybin Choir, Mihail Milkov, Sofia Radio Choir, Daniela Soicheva, Nikolai Stanchev, Ivan Ivanovich Petrov, Dimiter Dimitrov, Yoan Kukuzel-Angeloglassniyat Ensemble, Georgi Robev, Bulgarian National Svetoslav Obretenov Choir, Sofia Chamber Orchestra, Stanka Markova & Miroslav Popsavov
