仙剑奇侠传
Dong is best known for performing the theme songs of several Chinese MMORPGs, including "The Legend of Sword and Fairy" series, "Jade Dynasty" and "Zu Online", as well as for some television series and commercials. She is the first singer to use the "Zhongguo Feng" () style (a form of modern Chinese music which fuses traditional instruments and styles with R&amp;B or rock) for theme songs from video games. Dong also writes lyrics for songs by other singers, including Jang Na-ra and Jeong Jae-yeon. She released a total of six albums from 2007 to 2011.