Core Viewpoint - The article highlights the historical significance of the South Mud Bay (南泥湾) during the Chinese resistance against Japanese invasion, emphasizing the spirit of self-reliance and hard work demonstrated by the soldiers and local people in transforming a barren land into a productive area [3][4][10]. Group 1: Historical Context - In 1941, the Eighth Route Army soldiers advanced to South Mud Bay amidst severe material difficulties due to prolonged warfare and natural disasters [3]. - The Central Committee of the Communist Party of China called for a production mobilization campaign in 1939, leading to a large-scale production movement in the Shaanxi-Gansu-Ningxia border area [3]. Group 2: Agricultural Development - Upon arrival at South Mud Bay, the soldiers initiated a vigorous campaign to reclaim land, transforming it from a desolate area into a fertile region with abundant crops and livestock [4][7]. - By 1941, the soldiers had reclaimed 11,200 acres of land, producing 1,200 shi of grain and achieving complete self-sufficiency in vegetables [7]. - By 1943, the reclaimed land exceeded 100,000 acres, yielding 12,000 shi of grain, fulfilling the goal of complete self-sufficiency without reliance on government support [7]. Group 3: Cultural Impact - The song "South Mud Bay," written by He Jingzhi and composed by Ma Ke, became popular in the border area in 1943, symbolizing the spirit of the movement [7]. - The efforts in South Mud Bay not only bolstered material support for the anti-Japanese war but also improved the lives of the people and strengthened the relationship between the military and civilians [10]. Group 4: Legacy - The entrepreneurial spirit of self-reliance and hard work established during this period continues to inspire future generations [10][12]. - Today, South Mud Bay is characterized by lush forests and well-maintained roads, reflecting the ongoing legacy of the stories of perseverance and resilience [12].

在老一辈的记忆里，劳作是伴随着歌声的。那些回荡在江海田间的号子，飘扬在高山河谷的山歌，还有 萦绕在纺车旁的呢喃小调，都协调着劳作的节奏，浸润汗水与希望，滋养出中国人坚韧不拔的民族精 神。 《吕氏春秋》中记载，先民们搬运巨木时发出"邪许"的呼号。这是中国最早的民歌"举重劝力歌"——劳 动号子的雏形。翻开《诗经》，劳动者的歌声此起彼伏：《齐风·还》中的矫健猎手协作围捕猎物，场 面激烈；《周南·芣苢》里的女子采摘车前子草，有唱有和；《魏风·十亩之间》的采桑女们将桑叶采满 筐篓，一路欢歌。在劳动中放歌，是中国人在漫长岁月中沉淀的人生智慧。 相较于号子和山歌，小调流传范围更广，短小规整，表现形式更加细致，涵盖生活的方方面面。比如， 南方地区的《采莲》《摇船》《补缸》，北方地区的《四季生产》《摘棉花》《割韭菜》，江浙一带的 《卖花线》《洗菜心》，中原地区的《绣花灯》《纺棉曲》，流传各地的《长工调》《叫卖调》等等。 劳动小调生长在城市乡村的大街小巷，是市井里弄、田间地头的絮语，是用音符串联起来的喜乐悲欢。 岁月悠悠，这些浸透着烟火气的旋律在绣女的针脚、农夫的扁担、厨娘的灶台和亲人的纺车旁，不断吟 唱，轻轻摇晃。 号子是劳动 ...