What is the relationship between Zhang Bichen and Zhou Bichang?

Zhang Bichen's December 10th Concert

Zhang Bichen's first solo concert "Self-Decoration" will be held on December 10th at the Beijing Workers' Stadium. The countdown has now entered. Zhou Bichang will be a guest to help out. Faced with the first concert in her life, Zhang Bichen actively prepared for it. She admitted that she was very nervous but also very excited. She did not feel tired at all during the rehearsal process. Recently, Zhang Bichen posted photos of dance rehearsals on Weibo, and fans were greatly surprised by how seriously she practiced dancing.

The mysterious guest at the concert was finally unveiled. Zhang Bichen invited a singer who is both an idol and a good friend - "Bi Bi" Zhou Bichang. The two met through participating in the music reality show "Singing Around the World". What is even more fateful is that the abbreviation of their names is "zbc". Some time ago, Zhang Bichen even made a low-key appearance at Zhou Bichang's photography exhibition, and was still on Weibo Photos from the photography exhibition were posted on the blog. In many programs and interviews, Zhang Bichen has said: Zhou Bichang has always been Zhang Bichen's idol, and the singer he most hopes to collaborate with is also Zhou Bichang. It is a complete success to invite the idol to the same stage at his concert this time. "No. 1" Little fangirl's dream.

It is reported that another new song in Zhang Bichen’s new album will be released on November 30. Zhang Bichen demanded perfection in every detail during this concert. The songs to be sung have been carefully selected and will cover a variety of styles, including several title songs from the new album, etc.