It is believed that various measures were tried for adding biwa's subdued, massive, and dramatic tone to the shamisen, which originally had a rather light tone.
また琵琶の音色の持つ渋さや重厚感、劇的表現力などを、本来どちらかといえば軽妙な音色を持つ三味線に加えるために様々な工夫がなされたものと思われる。