Question: What Russian folk tale was the basis for the theatrical work that was the first recording of the chamber ensemble Chicago Pro Musica?
Sentence (from "Dmitri Pokrovsky Ensemble"): The Dmitri Pokrovsky Ensemble (Russian: ) was founded by Dmitri Pokrovsky (1944-1996) together with his wife and life-long partner, Tamara Smyslova, in Moscow in 1973 as an experimental singing group under folk Commission of the URSS Сomposers Union.The appearance of this team completely changed in modern society the understanding and view of folklore.
Relevant evidence: No