Loushanguan's musical style is tragic and beautiful. What techniques are used to express the artistic conception of painting and poetry?

The music style of Loushanguan is tragic and beautiful, such as ink painting or sketch. The change of black and light colors in ink painting can add a deep and broad sense of space, a little color can add a touch of red elements, and it can also express the sad feeling of painting in some way, which is very exciting. There are many other expressions and usages that can also express the artistic conception of poetry? I also give an example for reference! ! !