After graduation, Leng Yan and his band traveled all over China 16 provinces, 3 autonomous regions and 4 municipalities directly under the Central Government, including all parts of Henan.

Indifference, formerly known as Leng Quanwei, was born in Xinxiang City, Henan Province on June 1983 16. 2011March, at the invitation of CCTV's "China Love" column group, he boarded the CCTV studio. Some people say that he is a genius in singing, while others say that he is a late bloomer and was born in Xinxiang, a beautiful city in the Central Plains.