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