和わ声せい学がくわせいがくMeanings1nounharmonics; study of harmonyAcademic term for the theory and study of musical harmony, often used in music education contexts.彼かれは音おん楽がく大だい学がくで和わ声せい学がくを専せん攻こうしている。He is majoring in harmonics at the music college.