noun
music theory; musical grammar; compositional rules
Refers to the fundamental rules and grammar of Western music, including notation, scales, intervals, chords, and basic composition principles. Often used in academic or instructional contexts.
音楽大学の入試では楽典の試験がある。
The entrance exam for the music college includes a test on music theory.
楽典を学ぶと、楽譜が読めるようになる。
If you study music theory, you will be able to read sheet music.