What is the direct inheritance of China's poems from Yuefu folk songs in Han Dynasty?

Yuefu folk songs in Han Dynasty directly inherited the expressionism of China's poems. Folk songs of Yuefu in Han Dynasty are the third important development stage in the history of China's poetry after The Book of Songs and Songs of the South. It truly reflects the vast social life and people's thoughts and feelings in the Han Dynasty with realistic creative methods. The Han people called the poems played by Yuefu organ "Qu", and in the Wei, Jin and Six Dynasties it was called Yuefu or Yuefu poems, so "Yuefu" became the name of a specific poetic style.