高こう音おん部ぶ

noun

treble; high singing voice

Refers to the high-pitched part in music, especially vocal music. Often used in choral or instrumental contexts.

• 合がっ唱しょうで高こう音おん部ぶを担たん当とうしています。

  I am in charge of the treble part in the choir.

• この曲きょくの高こう音おん部ぶはとても難むずかしい。

  The high part of this piece is very difficult.