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