In an interview, So said that the words "Kiu" (喬) and "Sing" (星) were taken from the names of his two former lovers as a memorial.[6]
Early life and education
So was born with cerebral palsy. Having cerebral palsy impacted his control of the muscles of the whole body. During his school days, it was very difficult for So to hold a pen.[7] Every time he did homework, he would sweat profusely and struggle with it. Despite his disability, So chose to enroll in mainstream schools and pursue conventional education.[6] He started to write lyrics in middle school, published his adapted lyrics works online in college. His high scores gained him entrance to The Chinese University of Hong Kong, where he pursued studies in the Department of Chinese Language and Literature.[6] So also graduated from the Department of Applied Social Sciences of The Hong Kong Polytechnic University as a registered social worker.[6]
Career
In 2005, "Bitter Lover", So's first work as a lyricist, was published. In 2007, So and Hong Kong composer Hou Guangwu participated in the CASH Pop Composition Competition, and their entry "Pink Eye Syndrome" won third place.