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