【正文】
China classical music is the traditional art or court music of China. It has a long history stretching for more than three thousand years. It has its own unique systems of musical notation, as well as musical tuning and pitch, musical instruments and styles or musical genres. Pentatonic scale 宮商角徵羽 Chinese music instruments can be categorized into eight classes by the materials they are made are eight kinds of materials: metal , stone, clay, leather, silk, wood, bottlegourd and