传统民族民间音乐表演中的演唱,是对音乐文化积累、沉淀中直观性的继承和发扬,它承载着风俗人情、仪式信仰、族群生存与时代发展的印记。在城市文明与多元文化碰撞的今天,跨界演唱成为民族民间音乐一种新的活态传承手段。文章通过分析跨界演唱的形式和意义,探讨多元文化背景下民族民间音乐的活态传承。 The singing in the traditional national folk music performance is an inheritance and development of the intuitiveness in the accumulation and precipitation of music and culture. It carries the imprint of the development of the customs, ritual beliefs, ethnic groups and the development of the times. In the collision of urban civilization and multiculturalism, trans-boundary singing has become a new living tradition of folk music. By analyzing the form and significance of cross-border singing, the article explores the live heritage of folk music under the multi-cultural background.