《TellMe》。 According to the query of Tik Tok app, a very popular song with bells is called "TellMe", which is a song sung by Wilber Pan and Xu Jieer, with Yi Jiayang as the lyrics and Wilber Pan as the rap lyrics. Tik Tok, a short video social software for music creativity hatched by ByteDance, was launched on September 2th, 216. It is a short video community platform for all ages, and users can choose songs and shoot music works through this software.