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