NHKWorldの記事（椿山荘での講演）
The Japanese soprano who has already mastered 100 national anthems says she plans to learn the full Olympic collection by the time the Tokyo Games open this summer. https://t.co/KiM6buo3uC pic.twitter.com/KY562eE4TL
— NHK WORLD News (@NHKWORLD_News) January 10, 2020