99 turn over is also called 99 turn over. The name comes from the fact that there are nine rhythms in the whole movement. When changing from one rhythm to another, it is called "turning over". In addition, it is also called "99 turn over" because of a tortuous and moving story. Jiu Zhuan Gong and Drum is a local traditional percussion music that spreads in Binzhou City, Shandong Province and counties, towns and villages. Welcome and farewell are inseparable from it. There are quite a lot of percussion scores of Jiulong Drum in Binzhou. In a broad sense, there are two kinds of gongs and drums, and in a narrow sense, there are many methods of beating based on basic rhythm. Some of the whole music has only three or four rhythms, and most of them have only five or six rhythms.