[90年4月,德国音乐学家,国际传统音乐研究中心德国主席鲁道夫·布朗德尔教授在出席首届“中国傩戏学国际学术讨论会”期间,应邀作了关于比较音乐研究的学术演讲。他以在世界各地采录的大量民间音乐素材为实例,围绕着音乐的两个基本要素——“和声”与“节奏”,阐述了他的学术观点和看法。现将演讲主要内容概述如下:] In April 1990, Professor Rudolf Braun, a German musicologist and German president of the International Center for Traditional Music Studies, was invited to give an academic lecture on the comparative music study during his first “International Symposium on Chinese Opera Studies.” Taking a large amount of folk music material collected from all over the world as an example, he elaborated his academic views and opinions around two basic elements of music - “harmony” and “rhythm.” The main content of the speech is summarized as follows: