What is the central idea of Chorus Horizon?

The central idea of the chorus Horizon is to praise the comfort, diligence and simplicity of herding life of herders. Song on the horizon is a classic by teacher Ulan Toga, a musician. Like the educated youth, he responded to the call of the state and went to the production and construction corps. When he was young, the life of the Production and Construction Corps was very hard. Fortunately, there is a beautiful girl to accompany, and the hardships of * * * make two hearts stick together. They care about and encourage each other, so life doesn't feel so hard. Three years later, the girl was admitted to a key university in Beijing, but Jiri Geleng was not admitted.