音おん楽がく界かいおんがくかいMeanings1nounthe music world; the world of musicRefers to the music industry, community, or sphere of musical activity.彼かれは音おん楽がく界かいで有ゆう名めいな作さっ曲きょく家かだ。He is a famous composer in the music world.音おん楽がく界かいの最さい新しんニュースをチェックする。I check the latest news from the music world.