Pipa琵琶 : It is a plucked Chinese string instrument. Sometimes called the Chinese lute, the instrument has a pear-shaped wooden body. It has been played for nearly two thousand years in China, and belongs to the plucked category of instrument.
The Se (瑟) is an ancient Chinese plucked zither (string instrument). It is probably the ancestor of many Asian zithers, including the Chinese guzheng and the Japanese koto. It has 25 strings with moveable bridges and has a range of up to five octaves.