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