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