Schoenberg. Expressionist music is an extremely exaggerated treatment of emotions. It no longer considers the beauty, pleasantness and meaning of the music. It highlights the noisy sound and exciting colors, and shocks people's hearts with ugly and deformed images, so it appears bizarre. . Schoenberg's works no longer consider the beauty and pleasantness of the music, but use exaggerated processing to highlight the noisy sound and exciting colors, and use ugly and deformed images to shock people's hearts, pursuing the deepest feelings and expressing The essence of human thought and inner spirit. Therefore, Schoenberg is considered the main representative of Expressionist piano music.