In the third issue of the program "The Sound is Endless", Charlie, as the first solo singer, sang "Follow You to the Horizon" and sang "Floating Light" for the first time. "The Sound Endless" is a music competition and exchange program jointly launched by Mango tv, Hunan Satellite TV and other production units. This program comprehensively sorts out the chronicle of Chinese music with local characteristics by means of theme competition, and creates a Zhang Shengsheng-endless album with the audience. The program is divided into several quarters, including "The Sound Endless Hong Kong Music Season", "The Sound Endless Treasure Island Season" and "The Sound Endless Family Time"