She also worked as a backing singer and demo singer for various artists, and as a vocal producer for movies including the Infernal Affairs trilogy, Initial D, Daisy, The Warlords, and several DreamWorks animations.
Dia juga bekerja sebagai penyanyi belakang dan penyanyi demo untuk berbagai seniman, dan sebagai produser vokal untuk film termasuk trilogi Infernal Affairs, Initial D, Daisy, The Warlords, dan beberapa animasi Dreamworks.