What is the key of the red flag rolling over the mountains?

The Red Flag Rolling Over the Mountain is a traditional tune of Dabie Mountain folk song. According to the relevant information, the red flag rolls over the mountain is relying on the traditional tune of Dabie Mountain folk songs, singing Soviets, singing the Red Army story as the theme. Protection and inheritance go hand in hand, the Dabie Mountain red folk songs now become the carrier of revolutionary traditional education and patriotism education.