Question: "The Sacred War", was one of the most famous Soviet songs of the Second World War, the music is by Aleksandr Aleksandrov, founder of the Alexandrov Ensemble, an official army choir of which armed forces?
Sentence (from "The Sacred War"): The music is by Aleksandr Aleksandrov, founder of the Alexandrov Ensemble and the music composer for the National Anthem of the Soviet Union.
Relevant evidence: Yes