《新唐书·列传·卷一百四十七》
有两角笙，也穿匏到底，上插两牛角，其簧与姑洗应和，匏用彩色涂饰。
有两角笙，亦穿匏达本，上植二牛角，簧应姑洗，匏以彩饰。
Double-horned sheng, also penetrated the calabash, with two ox horns inserted on the top, its reed matched with Guxian scale, the calabash is painted with colors.