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