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