New Fourth Army
After another research trip to France, where he set up a Chinese choir, he returned home in 1938 to concentrate on anti-Japanese propaganda with the opera "Hong bo qu" (Turbulent Waves) and "Gaoliang hong le" (the sorghum is red. He went to Southeast Asia in 1939 to assist the National Savation Movement and in 1940 he worked as composer for the New Fourth Army, for which he wrote "Xin Si Jun dongjin qu" (The New Fourth Army marches east).