The original singers of this song are Hawick Lau and Bai Bing.

According to NetEase Cloud Music query, "Falling Leaves" was written and composed by Li Jin, and sung by Hawick Lau and Bai Bing. This song is the opening theme of the TV series "Painted Skin: True Love Without Regrets". The song uses fallen leaves as a clue, and expresses people's nostalgia and regret for the lost love through beautiful melody and affectionate lyrics.