Indicates deep emotion. The music uses traditional Chinese melodies and chords, and uses lyrical and romantic melodies to outline moving pictures one after another. In this melody, one can feel the closeness, involvement, and tenderness of each other, encompassing the relationship between people. The most fundamental emotion between people. "Long Dependence" is an erhu solo composed by the famous composer Yang Bingxin. It perfectly combines Chinese classical music and folk music. It is both traditional and rich in national characteristics.