"Little White Collar" was composed and sung by four behind-the-scenes figures in Beijing pop music and media circles, Ding Bo, Zhang Erfeng, Da Xing and Wen Long. Ding Bo is a senior media person and music critic, and has participated in TV program recording as a guest for many times. Star lyricist, music planner, planner of many large-scale music activities; Wen Long is a famous poet and professional manager. He once created albums for many singers such as Luo Zhongxu. Zhang Erfeng is a musician and comedy director. He can imitate the voices of many celebrities and has an independent audio-visual studio. Recently, his creation and singing "Songs for Leftover Women by Otaku" has attracted much attention. It is very interesting that seven years ago, four people worked for the same company at the same time, which is also the way for former colleagues to get together again by music.