 Complete the following phrase:  It was founded on December 12, 1932, as a small musical quorum for the army. It was the first professional fine art organization to work with the purpose of strengthening the morale of the national military. It was composed of Mongolian laborers and young people in military affairs, and nomads, all three of which presented their traditional customs, aesthetics and morals to the public as part of the ensemble. It was instrumental in the cultural support of the Mongolian Peoples Army led by Khorloogiin Choibalsan during the 