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