Furthermore, Kengyo YOSHIZAWA also focused on the kokyu, and one of his most important achievements was elevating the status of and writing original melodies for the kokyu, which until then had been used in unison with the shamisen.
吉沢検校は更に胡弓にも注目、これまで合奏においてほとんど三味線にユニゾンで加わっていた胡弓に独自の旋律を与え、胡弓の地位を高めたことも彼の業績として重要である。