The song Zhang Jie sang with Xie Na in the second season of the variety show "The King of Crossover Singers" was Zhang Jie's "The World".

"The World" was written by Zhou Yi, composed by Liu Jining, arranged by Zhou Huo and Liu Jining, and sung by Zhang Jie. It was included in Zhang Jie's 2008 album "After Tomorrow". He performed his first solo concert in Hangzhou on July 26, 2008, and premiered on Sina.com and Beijing Music Station on September 3, 2008. In 2009, the song won the 2008 MusicRadio China TOP Chart Annual Golden Song Award.