Original sentence: His most important work may possibly be his writing the lyrics of March of the Volunteers in 1934, the national anthem for People's Republic of China.Tian Han () (12 March, 1898—10 December, 1968), born in Changsha, Hunan Province, was a drama activist,  playwright, a leader of revolutionary music and movies, as well as a poet.Tian Han, returned from Japan in 1921, and set up the Creative Society together with Guo Moruo (1892-1978)
Edited sentence: As a pioneer of the artistic movement, Tian Han, returning from Japan in 1921, set up the Creative Society together with Guo Moruo (1892-1978).His most important work was writing the lyrics of March of the Volunteers in 1934, the national anthem for People's Republic of China.Tian Han () (12 March, 1898—10 December, 1968), born in Changsha, Hunan Province, was a great drama activist, an outstanding playwright, a leader of revolutionary music and movies, as well as a fruitful poet