"King Aizen's Lecture"

...Lectures appeared in the Heian period, and Saicho is said to have had the "Yakushi Nyorai Lecture." Genshin had the "Jiraku Lecture" and "Rokudo Lecture" (the 25 Samadhi methods), Shingen had the "Sequential Lecture on Rebirth," Kakuban had the "Aizen-o Lecture," Teikei had the "Five-stage Shari Lecture," Myoe had the "Shari Lecture," "Iseki Lecture," "Nirvana Lecture," and "Juroku Rakan Lecture" (all four-seat lectures), and Kakunyo had the "Hoon Lecture." The lectures are narrative texts written in the form of Chinese classics, with melodies that sound like storytelling, and are considered representative of chanting along with wasan....

*Some of the terminology used in reference to "Aizen-o Koshiki" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…講式は平安時代にあらわれ，最澄に《薬師如来講式》があったと伝えられる。源信に《十楽講作法》《六道講式》(二十五三昧作法)，真源に《順次往生講式》，覚鑁（かくばん）に《愛染王講式》，貞慶に《五段舎利講式》，明恵に《舎利講式》《遺跡講式》《涅槃講式》《十六羅漢講式》(以上四座講式)，覚如に《報恩講式》などがある。　講式は読みくだし漢文の形で綴った叙事的な詞章に，語り物ふうの曲節が付されており，和讃とともに声明の代表的なものとされている。…

※「《愛染王講式》」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