Music An unaccompanied vocal composition for two or three voices in simple harmony, following a strict poetic form, developed in Italy in the late 13th and early 14th centuries.

• 中世纪抒情牧歌：一种仅以两个或三个声部的简单和声组成的没有伴奏的，以严格诗律形式谱成的音乐作品，在13世纪末期和14世纪早期在意大利发展起来