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