一首大刀曲，一生报国情（寻访）

Core Points - The article highlights the historical significance of the song "Dadao Jinxingqu" (大刀进行曲) created by the musician Mai Xin during the Anti-Japanese War, emphasizing its role in uniting and inspiring the Chinese people against foreign aggression [1][5] - It details the journey of the Children's Theater, a progressive group led by the Communist Party, which traveled over 3,000 miles to promote anti-Japanese sentiments through music and drama [1][2] - The narrative also covers Mai Xin's personal experiences and emotional responses to the war, illustrating how these influenced his creative process in composing the song [2][3] Group 1 - The song "Dadao Jinxingqu" was inspired by the heroic actions of the National Revolutionary Army's "Dadao Team," particularly the story of a 19-year-old soldier who killed nine enemies [2] - Mai Xin's creative process involved multiple iterations of the lyrics and melodies, ultimately leading to a song that called for national unity and resistance against the Japanese invaders [3][4] - The song quickly gained popularity, being sung by countless anti-Japanese fighters and youth, becoming a rallying cry for the resistance [5] Group 2 - Mai Xin's journey included significant milestones, such as his enrollment in the Communist Party and his experiences in various locations like Wuhan and Chongqing during the war [6] - The article also reflects on the tragic fate of Mai Xin, who was killed in action in 1947, highlighting his dedication to the cause and the sacrifices made by many during this tumultuous period [6]