Riding on a thread - Itononoru

…The same goes for the lines, each of which has its own unique rhythm. There are speaking techniques such as tsuranesu (a line that is spoken) and iidate (a line that is spoken), musical speaking techniques such as ito no ri (a line that is spoken on a string), and beautifully sung 7-5 rhythmic texts such as yakubarai (a line that is sung on a string). There are also techniques such as wari serifu (a line that is spoken on a string) and watariserifu (a line that is sung on a string), in which lines are shared among several people. It shows that lines are not limited to communicating with each other, but are used freely, even as sound effects that appeal to the audience's hearing.

*Here are some explanations of terms that refer to "riding a thread."

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…〈せりふ〉も同様で，それぞれの様式に独自の一種のリズムを持つ。〈つらね〉や〈言立て（いいたて）〉のようにしゃべる技巧，〈糸に乗る〉という音楽的に語る技巧，〈厄払い〉のように七五調の美文を朗々とうたいあげる技巧などのほか，幾人かでせりふを分けあう〈割りぜりふ〉や〈渡りぜりふ〉の技法もある。せりふを登場人物相互の意思伝達の用とだけ限定せず，観客の聴覚に訴える効果音的な用法に至るまで，自由に活用していることがわかる。…

※「糸に乗る」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