P. Vladigerov
Tsar Kaloyan, Act I, Scena I and II
Sofia National Opera Orchestra· Sabin Markov· Boris Bogdanov· Aleksandar Vladigerov· Reni Penkova· Maria Ventsislavova
Tsar Kaloyan, Act I, Scena II
Aleksandar Vladigerov· Sabin Markov· Reni Penkova· Sofia National Opera Orchestra· Maria Ventsislavova
Tsar Kaloyan, Act II, Scena I
Sofia National Opera Orchestra· Maria Ventsislavova· Sabin Markov· Reni Penkova· Aleksandar Vladigerov