跨界民族音乐学是对同源民族在不同地域、不同国度的音乐文化研究,它不仅具有跨地域性、跨国性,还具有跨文化性的特点。音乐作为整体文化的组成部分,会以不同的方式呈现于跨界民族的音乐生活中,但不同呈现方式下隐含的、境内外共有的文化本质特性却会被延续下来,成为该民族亘古不变的本质属性。乌珠穆沁部,作为跨界部族,其代表性声乐体裁乌珠穆沁部长调,流传于中、蒙两国境内,且各具特色。但作为口传音乐,乌珠穆沁部长调的共性特征却被保留了下来,这一共性特征体现在曲调、唱词、腔词关系、装饰技巧等多个方面。本文欲从其曲调框架探寻其共性因素,从曲调互文探究其差异性特质,阐释乌珠穆沁部跨界音乐的本质属性。 Cross-border ethnomusicology is a study of the music culture of the same ethnic groups in different regions and different countries. It not only has the characteristics of trans-regionality, transnationality and interculturality. As a part of the overall culture, music will be presented in different ways in the music life of trans-boundary ethnic groups. However, the inherent cultural characteristics inherent in different modes of presentation will be extended and become the eternal Change the nature of the property. As a cross-border tribe, Uzbekistan Department, whose representative vocal genre, Minister Uzumqin, has spread and spread in China and Mongolia has its own unique characteristics. However, as oral music, the common features of Minister Uzbek Muqin have been preserved. The common features are reflected in many aspects, such as tunes, libretto, relation between words and expressions, and decoration techniques. This article attempts to explore its common factors from its melody frame, to explore its difference characteristics from melody and intertextuality, and to explain the essential properties of cross-border music in Ujimqin.