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