文章研究了20世纪西方左翼音乐在政治中的角色，揭示了左翼音乐作为社会抗议和政治表达工具的历史地位。通过分析音乐如何传递意识形态、激发集体行动并与政治事件相互影响，强调了音乐在塑造社会变革中的关键作用，探讨了其政治功能，以及对当代的映射与社会影响。同时，文章还考察了音乐家在社会阶层中的位置及其创作的社会动力，展示了左翼音乐属性在现当代的演进与表达，以及在跨越艺术领域历史进程中存在的一些现象与问题。

This paper examines the role of Western left-wing music in politics in the 20th-century,revealing its historical position as a tool for social protest and political expression.By analyzing how music conveys ideology,inspiring collective action,and interacting with political events,the paper emphasizes the critical role of music in shaping social change and explores its political function,and its reflections and social impacton contemporary society as well.Additionally,the paper also investigates the position of musicians within social classes and the social motivations behind their creations,illustrating the evolution and expression of left-wing musical attributes in modern and contemporary times, as well as certain phenomena and issues that exist in the historical process of crossing the artistic field.