Huvudartist: Bulgarian A Capella Choir - Female chorus of Serbian Nikolje Monastery - Four Part Male Choir of Athens - Male Choir of Zion Patriarchal Cathedral - The Boyan Ensemble of Kiev - The Capella Russian Chorus - Three-part Male Choir of Athens - Alexander Tikhonovich Gretchaninov - Christo Camenov - Nikolaï Toistiakov - Traditional - Ivan Petrov - Dobri Christov - Various Artists