P. Vladigerov
Tsar Kaloyan, Act II, Scena I
Aleksandar Vladigerov, Maria Ventsislavova, Nikola Nikolov, Sofia National Opera Orchestra, Sabin Markov, Boyan Katsarski, Reni Penkova, Milen Paounov, Sofia National Opera Chorus, Boris Bogdanov, Lyuben Mihailov, Evgenia Babacheva, Zhivko Pranchev
Tsar Kaloyan, Act II, Scena II
Aleksandar Vladigerov, Nikola Nikolov, Sofia National Opera Orchestra, Maria Ventsislavova, Luben Mihailov