Ritual Music

...The music accompanying the movements is technically related to the movement and tempo, while the music accompanying the lines requires melody, tone, dynamics, and rhythm that suit the content of the lines, as well as being technically related to the tone and tempo of the voice.
[Customs]
Also called "ritual music" or "ceremonial music," some have been performed as theater customs unrelated to the direction of the play. Nowadays, they have been considerably simplified, but the following musical accompaniments are still played: "Chikuto Shagiri," which announces that all the actors performing in the opening act have entered the dressing room; "Makugire Shagiri," which is played at the end of each act of the play; and "Uchidashi," which announces the end of the day's performances.

*Some of the terminology that refers to "ritual music" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…動作につく囃子は，動き方，テンポに対して技術的にかかわり，せりふにつく合方は，せりふの内容に適合した旋律，音色，強弱，リズムが要求されるほか，声の調子やテンポに対して技術的に関連している。
［習俗］
　〈儀礼囃子〉〈儀式音楽〉ともいい，演出には関係なく劇場の興行上の習俗として行われてきたものがある。現今ではかなり簡略化されてはいるが，序幕出演の俳優全員が楽屋入りしたことを知らせる〈着到シャギリ〉，芝居が一幕終わるごとに打ち囃される〈幕切れシャギリ〉，一日の終演を告げる〈打出し〉が打ち囃されている。…

※「儀式音楽」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