In this way, it is known that blind musicians at Todo-za (the traditional guild for the blind) played Kokyu during almost the same period when Jiuta songs and Sokyoku (koto music) had been established.
このように、地歌・箏曲の成立とほぼ同時に当道座の盲人音楽家たちによって胡弓が演奏されていたことが分かる。