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