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