Yesterday is gone all the sadness and worry is what song

Don't Know Yourself. Author Hai Lai Aki.

The lyrics are: the moon you don't have to be tender, my friend you don't have to be sentimental, yesterday has passed, all the sadness and worries have left, you have to believe that tomorrow's sky will be bluer.

Hai Lai Amu's profile:

Hai Lai Amu, born on April 4 in Ganluo County, Liangshan Prefecture, Sichuan Province, now lives in Beijing, is a Chinese mainland male singer and singer-songwriter.

In October 2018, Hailai Amu released his personal debut single "Agoji Qu", thus making his official debut; in November, he released the song "Moon Mother" dedicated to his mother.On March 5, 2019, the song "Don't Know Yourself", sung by Hailai Amu, was released; on December 21, his work "Agoji Qu" won the top ten online golden songs of the Yangtze River Three Gorges Network Music Festival.

In March 2020, Hailai Aki's song "People Who Order Songs" was released; on May 22, his song "Your Ten Thousand Waters and Thousands of Mountains" was released; on September 13, "Nevertheless on Earth" was released; and in December, Hailai Aki's song "Loss" was officially released.

On January 30, 2021, Hailai Aki's song "Lonely King" was released on line.On March 10, he released the school song "Building Dreams Intelligence", which was created for Huawei's Chongqing Intelligent Engineering Institute; on April 4, he released the song "Life is like a Song"; on April 26, he joined hands and released the song "Fated to be a Man"; on April 28, he released the song "Smoke and Rain on Earth", and on May 29 he released the song "Come to Dance"; on July 1, he released the song "Father's Field" on July 1st.