There is a square dance titled "The bluer the sky the more I miss you" which has been uploaded by Yunshang Square Dance. Is this the dance song you are looking for?
Song: "The bluer the sky the more I miss you"
Lyrics: Lu Xinqiao
Composer: Jiang Caisheng
Sung by Ulaan Tuya
Album: The Original Vanilla
There are a few lyrics in there that read:
...... ......
The bluer the sky, the more I miss you
Missing the beauty of your blossoms
Shepherds chasing their flocks
Playing songs to the sky
The bluer the sky, the more I miss you
Missing the hooves of your wind-chasing horses
Blue sky embracing white clouds
Legend floats in the wind
............
Now I uploaded this dance music to Baidu.com to share with you, please listen if it's the music you are looking for?