四弦琴可以说是扩大了音域的二胡,它的定弦和小提琴一样,弓子是夹在两组琴弦之间(GD 为一组,是里弦,AE 为一组,是外弦)演奏的。四弦琴可以用来演奏所有的二胡曲,绦毫无损于民族风格;而且,二胡曲经过适当改编之后,用它来演奏,更能加强其感染力。我也曾试验用它来演奏“梁祝小提琴协奏曲”、“新疆之春”,以及“纪念曲”(Souve-nir)等外国的小提琴曲,实践征明,它的效 Ukulele can be said to expand the range of the erhu, and its fixed string and violin, the bow is caught between two strings (GD for a group, is the string, AE for a group, the outer string) played . Ukulele can be used to play all the erhu music, sash without prejudice to the national style; and, erhu music properly adapted, use it to play, but also to enhance its appeal. I have also experimented with it to play violin music from abroad, such as “Butterfly Lovers Violin Concerto”, “Spring of Xinjiang” and “Souvenir” (Souve-nir)