Print - Kasai

...The rhyming method is not as simple as that of modern poetry, but is varied, with different rhymes alternating (ab ab) or interleaved (ab ba). The classification of rhymes is also unique, and there are several works that later organized them inductively, but the most representative is the Qing Dynasty's Ge Zai's "Silin Zhengyun."
[history]
During the Tang Dynasty, music from the Western Regions (Hula) was introduced into China, causing major changes in the music of China, and traditional Yuefu (music songs) fell out of use.

*Some of the terminology explanations that mention "Ge-Zai" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…押韻法も今体詩のように単純ではなく，異種の韻を交互に(ab ab)あるいは挟むように(ab ba)踏むなど，変化に富む。韻の分類も特殊で，のちに帰納的に整理した著述が何種かあるが，清の戈載（かさい）の《詞林正韻》が代表的である。
［歴史］
　唐代に西域の音楽(胡楽)が流入して中国の音楽は大きく変わり，伝統的な楽府（がふ）は歌われなくなる。…

※「戈載」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報