Djang San (born Jean-Sébastien Héry in 1980 in Bordeaux, France; also known as Zhang Si'an) is a French musician, singer, songwriter and composer. He has spent most of his creative life in China and has released more than 50 albums. In constant search for new sounds, he was one of the first to use the Zhonguran and Pipa, ancient Chinese instruments, in electro and rock composition and on stage. He was one of the first foreigners to write songs in Chinese and to sing those songs to a Chinese audience in China. He sings in English, French and Chinese. He has also created some of the first electric versions of Chinese instruments Pipa, Guzheng and Zhongruan, he uses these instruments on stage.