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