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