Swing (Hong Kong group) Swing is Eric Kwok and Jerald Chan. First period (1999-2002) Eric always set composer, arranger and producer all in himself. In order to learn the skills of produce in his debut period, Eric decided to be a singer, but he didn't want solo, so he teamed up "Snowman" with Jerald Chan(Chen Zhe Lu) under EMI. They released the first EP "Snowman" in 1999 with co-supervise. Famous musician Danny Chung as their vocal producer. Eric learned how to act as vocal producer just from him.