What are examples of four string instruments? - Quora
FILE--Pipa, a four-stringed Chinese musical instrument, and Ruan, a traditional Chinese plucked string instrument, made by Chinese craftsman Li Zhao Stock Photo - Alamy
Four musical instrument strings Royalty Free Vector Image
Source Wholesale price brand 23 inch Concert highest quality handmade stringed instruments manufactures in India at lowest price on m.alibaba.com