“两个共同体”(中华民族共同体和人类命运共同体)研究关乎中华民族对内文化复兴和对外交流互鉴的顶层设计，区域国别学涉及“两个共同体”的内涵与外延，区域国别音乐文化研究则是可以将之贯彻到民族音乐学研究实践中的具体路径和方法。其中关键问题：1.区域国别音乐研究必须同时应对“两个共同体”的文化需求；2.应该兼顾“区域-传统(古典)”音乐与“国别-当代”音乐、专业创作音乐与民族民间音乐两对关系；3.区域国别音乐研究应该兼及“多元一体分层”“中原、边疆、域外”和“汉族、少数民族、跨界族群”等对象范畴，及其音乐文化交往交流交融与互鉴关系。

The study of the “two communities”(the Chinese nation community and the community with a shared future for mankind)is related to the top-level design of the Chinese nation's internal cultural revival and external exchange and mutual learning.Regional and national studies involve the connotation and extension of the “two communities”,while regional and national music culture research is a specific path and method that can be implemented in the Ethnomusicological practice.Key issues include:First,regional and national music research must simultaneously address the cultural needs of the “two communities”;Second,it is necessary to simultaneously consider the relationship between“regional traditional(classical)”music and“national contemporary” music,as well as professional creative music and ethnic folk music;and finally,research on regional and national music should also consider the categories of“diverse and integrated layering”,“Central Plains,border areas, and foreign areas”,and “Han,ethnic minorities,and cross-border ethnic groups”, as well as their relationships of cultural exchange,integration, and mutual learning in music.