破は

noun

middle section of a song (in gagaku or noh)

Technical term used in traditional Japanese music and theater, especially in the context of the three-part structure 序破急 (introduction, development, finale).

See also: 序破急

• 能のう楽がくでは、序じょ破は急きゅうの「破は」が曲きょくの中ちゅう核かくをなす。

  In Noh, the 'ha' (middle section) of the jo-ha-kyū structure forms the core of the piece.