Ya koto

Ya koto (light[-stringed] koto), koto of Japan, said to have evolved from the *yamato koto, with highly convex body and 8 strings, strung in pairs. The strings are secured by tuning pegs to the underside of the board. Ca. 110 cm. (3 ft. 7 in.) long, string length 81 cm. (32 in.) (157). Piggott, Francis. The Music and Musical Instruments of Japan. London. 1909.