Walker is the founder of the nationally renowned cover forum "Indigenous Music Show" and one of the investors in Ningbo's "Indigenous Music Show" KTV. In 2001, after serving as the moderator of the "I'm Crazy about Singing" forum on Soucao.com, he launched an online cover singing trend across the country and is recognized as the founder of online cover singing. Then the "Indigenous Music Show" online cover team was created. Famous online singers such as Xiangxiang, Xiaoming, Yangyi, Donglai Donglang came from this team.