《宋书·志·卷十九》
吏竖既然中途荒废，同时认为古曲又多有谬误，不同时代的文词，未必要前后沿袭，所以依照从前的曲调，改写新歌词五篇，不敢供备宫廷之用，近来作为小国的鄙俗之乐来演奏它。 
坚既中废，兼古曲多谬误，异代之文，未必相袭，故依前曲改作新哥五篇，不敢充之黄门，近以成下国之陋乐焉。 
Since the dancers had neglected their practice, and felt that there were many errors in the ancient songs, and that the lyrics of different eras do not necessarily need to follow the original, so he rewrote five new lyrics based on the old melodies, and did not dare to use them in the palace, but recently used them as vulgar music for a small country to play.