Ekoukada - Ekoukada

...Even in the rare cases where they are performed, Gagaku pieces are played along with them, unrelated to the shomyo song. There are various types of gagaku gada, such as the sorai gada, which is chanted at the beginning of a memorial service when everyone worships together, the chugen gada, which is chanted at the turning point of the memorial service, and the ekou gada, which is chanted at the end of the memorial service to pray for the spread of the merits of the Buddhist ritual. Since there are several songs for each, they are sometimes called "Tennin gada" or "Shuzai gada," etc., after the opening lyrics.

*Some of the terminology explanations that mention "Ekogata" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…まれに演奏する場合も，声明曲とは関係なしに雅楽独自の曲を併奏する。伽陀には，法要の最初に一同で礼拝するとき唱える総礼（そうらい）伽陀，法要進行の折り目に唱える中間（ちゆうげん）伽陀，法要の終りに仏事の功徳の普及を願う回向（えこう）伽陀などがある。そのそれぞれに数曲があるので，歌詞の最初を採って，《天人伽陀》《衆罪伽陀》などと称することもある。…

※「回向伽陀」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