There was a big waka (Japanese poetry) ceremony called "Teiji-in Uta-awase," which was held after Emperor Uda came to power, thus representing the great influence of the Kokufu Bunka (Japan's original national culture).
譲位後に行った大掛かりな和歌の行事である「亭子院歌合」は、国風文化の盛行の流れを後押しするものである。