noun
songwriting; musical composition; melody writing
Refers to the act or process of creating a song or piece of music, including writing lyrics, composing melody, and arranging.
彼は曲作りに専念している。
He is devoting himself to songwriting.
曲作りのコツを教えてください。
Please teach me some tips for writing songs.
作曲 is a more formal term for musical composition, often used in classical or academic contexts, while 曲作り is a casual, everyday word for creating songs, including pop music.
Compound of 曲 (きょく, 'song, piece of music') and 作り (つくり, 'making'), from the verb 作る (つくる, 'to make').