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