Studying Japanese classical literature with historical evidence taken into account, he revised the verses of Noh songs on a large scale in collaboration with Munetake TAYASU, KAMO no Mabuchi, Enao KATO and other members, what is called the "Revision of Meiwa," and published "Meiwa kaisei utai-bon" (Utai Libretto Revised in the Meiwa Era).
国学を好んで考証を好み、田安宗武、賀茂真淵、加藤枝直等の協力のもと、「明和の改正」と言われる謡曲の詞章を大改訂を行い、『明和改正謡本』を刊行。