Answer the following Q with stream of consciousness. Context: Slav'sya, Otechestvo nashe svobodnoye! (Russian: Славься, Отечество наше свободное!; Slav'sya, Otechestvo nashe svobodnoye!, lit. "Be glorious, our free Fatherland!"), officially known as the "State Anthem of the Soviet Union" (Russian: Государственный гимн СССР, tr. Gosudarstvenny Gimn SSSR) was introduced during World War II on 15 March 1944, replacing The Internationale as the official anthem of the Soviet Union and the Russian Soviet Federative Socialist Republic. The lyrics were written by Sergey Mikhalkov (1913 -- 2009) in collaboration with Gabriel El-Registan (1899 -- 1945) and the music was composed by Alexander Alexandrov (1883 -- 1946). Although the Soviet Union was dissolved in 1991, its national anthem's melody continues to be used in the Russian Federation's national anthem, which has different lyrics to the version used in the Soviet Union.

Question: national anthem of the soviet union red army choir?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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To answer the question, consider the following: Slav'sya, Otechestvo nashe svobodnoye! (Russian: Славься, Отечество наше свободное!; Slav'sya, Otechestvo nashe svobodnoye!, lit. "Be glorious, our free Fatherland!"), officially known as the "State Anthem of the Soviet Union" (Russian: Государственный гимн СССР, tr. Gosudarstvenny Gimn SSSR) was introduced during World War II on 15 March 1944, replacing The Internationale as the official anthem of the Soviet Union and the Russian Soviet Federative Socialist Republic. Therefore, the final answer is Slav'sya , Otechestvo nashe svobodnoye !.