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