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