- Georgi Dimitrov, Roy Theaker, Bulgarian National Radio Symphony Orchestra
- Yossif Radionov, Angel Stankov, Gheorghi Stoyanov, Kostadin Yotsov, Tania Kazandjieva-Chauche, Christo Pavlov, Stoyan Pavlov, Nadja Dimitrov, Rossen Idealov, Kalina Krusteva, Alexandra Docheva, Mila Pavlova, Roumen Kroumov, Maria Palieva, Ludmil Nentchev
