Zhang Keer. "Abba in Heaven", originally sung by Zhang Keer, was released on November 26, 2021. Zhang Keer wrote the lyrics and composed the music. The song is really emotional and received numerous praises once it was released. Excerpts from the lyrics: I stood on the street; watching people coming and going; please rest assured; I will eventually walk on the road to happiness; Dad, I miss you; this time is so ridiculous, it has not kept me care.