The single was officially released on 2 May 2016 as one of the promotional songs of the film Yesterday Once More[2] Towards the Light is a soundtrack with a length of four minutes and thirty seconds.
[4] It gained praises and it was the first time a song achieved top spots on both China V chart and Mandarin chart in Billboard China at the same week.
This single was composed by Chen Yu while the lyrics was written by Tintin Zhang.
[9] It was produced by Liu Tong, vice president of Beijing Enlight Pictures and the writer of the said movie.
[10] Liu stated that they chose Xu to sing Towards the Light because they think he is very suitable for it and "it also wasn't easy for him to be known by people, but because of certain policy reasons, he was being suppressed"; pertaining to the ban of Xu to appear on television shows by SAPPRFT but Liu added that people can't blame the higher-ups because things got out of control.