林俊杰 JJ Lin is a popular Singaporean Mandopop singer, songwriter and actor. Prior to his debut he wrote songs for other artists such as A-Mei and Cyndi Wang. His big breakthrough came with his second album《第二天堂》,which included the smash hit 《江南》. He then cemented his place with the release of his fourth album 《曹操》, which sold over 1 million copies throughout Asia.