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