Does the questioner want to ask "What song would it be if I said what I should say that day?", "Unfortunately there is no if".

"What a pity" was written by Lin Xi, arranged by Cai Zhengxun, and composed and sung by JJ Lin. It is included in JJ Lin's 11th solo album "New Earth GENESIS". It is the first lyrical hit of the album. It is also the Chinese theme song of the Korean drama "Cuckoo's Nest" and the Chinese ending song of "She is Lovely to Me". The song was first released on December 19, 2014 and has been ranked first in the QQ Music Popularity Index for two weeks. It has won multiple charts, as well as many Golden Melody Awards such as the Music Chart and China's TOP Chart. The MV was also selected Top five selected marketing micro-movies in Taiwan in December 2014. Lyrics: If that day, I would say what should be said well and be considerate and not be persistent. If that day, I would not be provoked by emotions. "It's a pity there is no if" is the melody that JJ Lin first wrote in the album "New Earth GENESIS". This song is different from his previous ballads. Lin Xi was specially invited to write the lyrics. The theme is inspired by JJ Lin's own life experience. , the song describes a missed story. JJ Lin cried when he saw the lyrics. This song profoundly writes about the regrets that everyone may have experienced, and it is also JJ Lin's own feelings about his emotional life.