However, by the beginning of Tempo era (1830), the development of shamisen technique had been accomplished and 'tegoto' had also been thoroughly sought, where the blind musicians sought a new development of composition in various ways.
しかし天保を迎える頃には、もはや三味線の技巧開拓も行き着く所まで行き着き、「手事」も追求され尽くして、盲人音楽家たちは新たな作曲の展開を様々に模索していた。