Djang San Jean Sébastien Héry Beijing "20 years of music between France and China". In the year 2000, when he came for the first time to China, Zhang Si'an (Jean-Sébastien Héry) wrote his first Chinese song. Many records of different styles, fully or partly in Chinese, will follow. In 2010 he wins the Global Battle of the Bands in China and Hong Kong with his rock band "The Amazing Insurance Salesmen". 50 albums later, he still records and composes music.