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