Guo always wrote interpretation on yuefu melody,in which he often extracted gujin yuelu written by zhi jiang,a monk in Chen dynasty.
郭氏往往在各曲调名下撰写解释、说明的文字,其中常引录南朝陈释智匠的《古今乐录》一书,而《古今乐录》又常引述晋朝荀勖、南朝宋张永、齐王僧虔的著作。
In this phase, music record had the most plentiful fruits compared with former dynasties.
明清时期是中国古代音乐繁荣发展、空前普及的阶段,也是中国音乐史上至今留下最多音乐记录的时期。