主しゅ旋せん律りつ

noun

main melody; lead

In music, the primary melodic line of a piece, as opposed to accompaniment or harmony.

• この曲きょくの主しゅ旋せん律りつはとても覚おぼえやすい。

  The main melody of this piece is very easy to remember.

• バイオリンが主しゅ旋せん律りつを担たん当とうする。

  The violin carries the main melody.

noun

central theme; main thread

Figurative extension: the core idea or recurring theme in a literary work, critique, or argument.

• この小しょう説せつの主しゅ旋せん律りつは「喪そう失しつと再さい生せい」だ。

  The central theme of this novel is 'loss and rebirth'.