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