In 20021year, the single "brotherhood" was released. Brother Xiaofeng firmly grasped the hearts of many listeners with his deep feelings, unique and penetrating voice and moving singing voice, and became a hot online singer and a single cycle for many people.

"Youth" is considered to be a nostalgia for youth, and it is written for those important people in life, while brotherhood is to commemorate our purest friendship and witness the road we will take in life in the future.