Zhang Wei Wei is a indie/folk musician and an accordionist from LanZhou ,China. He used to be a member of a famous Chinese folk band named "Ye Hai Zi"(means Wild Children).Now he is more known by his cooperation with his friend,(another folk musician) Guo Long at several rock music festivals in china.Their live recording album which called "you waiting me back" is widely spreading via the internet and causing considerable influences in china's independent/folk music world.