Beginning with the works of the famous French Impressionist composer Debussy, musicians have made a lot of explorations in using sound to convey visual feelings of color. His piano music "Girl with Flaxen Hair", "Light of the Bright Moon" and "Withered Fallen Leaves" are all masterpieces handed down from generation to generation. After that, other composers also adopted this technique of expression. For example, the symphonic poem "Prometheus" composed by the Russian composer Scriabin in 1998 included a colorful instrument invented by the composer himself. organ. When music is played, a change of colored light will appear on the side curtain of the concert hall, making the music and color changes complement each other. "In #%%, the British composer Asa Foulis once composed a symphony called "Color". The composer himself said: "The first movement - purple, it is a gorgeous color, not the color of death; The second movement - red, which is a color that expresses difficulty and courage, but also the color of magic; the third movement - blue, which is a color that embodies authority and melancholy; the fourth movement - -Green, which is the color of hope, joy, youth and victory. "Later, there was another symphony called "Nine Colors" composed by an American composer, Louis Kullubberg. The colors he expressed were obviously richer than the "Colors" symphony.