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