"Empty City". According to QQ Music, "This city is so empty and the memories are so fierce" is a lyric in "Empty City". The song was written by Zhang Youyou, composed by Qu Shicong and Yang Kun, and sung by Yang Kun. Excerpts from the lyrics include: "I am enjoying my misery. This city is so empty, these memories are so fierce, this street is busy with traffic, who can I embrace?" etc. "Empty City" was released on June 23, 2009, and was included in the album "Yang Kun".