What song is "Yama Hu Hei" in the Liberated Area?

"The Sky in the Liberated Areas".

1. Excerpts from the lyrics: The sky in the liberated areas is bright. The people in the liberated areas love it so much. The democratic government loves the people. There is no end to the kindness of the Communist Party. Yahoo hi hi ee ah hi, ya hoo hi hoo hi, ah hoo hi hi hi, ya hoo hi hi ike ah hi.

2. "The Sky in the Liberated Areas", also known as "The Sky in the Liberated Areas is a Bright Sky", was composed by Liu Xilin in 1943 based on the tune of a Hebei and Shandong folk song.

3. The song was "sung in unison and in turn" in the large-scale music and dance epic "The East is Red" performed at the Great Hall of the People on October 2, 1964, and was located in the sixth scene of "Chinese People Stand Up" .