During the Edo period, there were many Kengyo who became excellent musicians in the three capital cities as professionals of jiuta sangen, sokyoku, kokyu (Chinese fiddle) music and heikyoku, which lead to them having an important role as a driving power in the development of Japanese music in the modern ages.
江戸時代には地歌三弦、箏曲、胡弓楽、平曲のプロフェッショナルとして、三都を中心に優れた音楽家となる検校が多く、近世邦楽大発展の大きな原動力となった。