Цар Калоян: I Действие, I И Ii Картина
Sabin Markov, Sofia National Opera Orchestra, Pancho Vladigerov, Nikolay Liliev, Fani Popova-Mutafova, Alexander Vladigerov, Evgenia Babacheva, Lyuben Mihailov, Zhivko Pranchev, Sofia National Opera Chorus, Boris Bogdanov, And Boyan Katsarski
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