清代传本《太古传宗》是迄今仅存的两种清唱北曲弦索谱集之一。在明嘉靖以降北曲杂剧的官腔地位逐渐衰没之际,弦索音乐虽在一定程度上表现出“昆腔化”的特征,但仍旧保持了元代“北曲元音”的特点,为了解元代北曲音乐的演化过程,保存了至为珍贵的资料。 Biography of the Qing Dynasty “Tai Chi Chuanzong” is by far the only two kinds of purplish song string set. Although the decline of the officialdom status of Beiqu opera in Ming Jiajing gradually disappeared, the music of chordal rope, although displaying the characteristic of “Kunlunhua” to a certain extent, still maintained the “Northern Song Dynasty Vowel” Features, in order to understand the Yuan Dynasty North song music evolution, save precious information.