noun, noun or participle which takes 'suru', transitive verb, intransitive verb
composition; writing music
Refers to the act or process of creating a piece of music. Can be used as a noun or with する as a transitive/intransitive verb.
彼はクラシック音楽の作曲を勉強している。
He is studying classical music composition.
この曲は彼女
She composed this piece.