What's the meaning of the poem "high mountains and flowing water are carefree, and Chun Xue is too peaceful"?

High mountains and flowing water are metaphors of bosom friends and confidants, as well as melodies. Yangchun Baixue originally refers to a higher-level song of Chu State during the Warring States Period, which is a metaphor for extensive and profound literature and art.

The allusion of "high mountains and flowing water" was first seen in Liezi Tang Wen. In people's practice of using allusions, this allusions has gradually developed into more than 70 allusions, such as lofty music, knowing each other is precious, bosom friends are hard to find, losing friends, leisure and fun, etc., and there are also phenomena of using allusions backwards.

During the Spring and Autumn Period, Pipa Music written by Shi Kuang, the "Le Sheng" of the State of Jin, was based on Chu Song Yu's Ask the King of Chu in the Warring States Period, which was characterized by the comprehensive use of the expression and performance style of Pipa Harmony and was often compared to "Xialiba people".