Milk cymbals (Pinyin: Rǔ bó), Zhuang, Miao, Yao, Mulao, Jing, Yi, Shui, Gelao, Qiang, Han and other ethnic groups strike each other as a body sounding instrument. Made of brass. Bowl-shaped and unique in shape, it is a large brass cymbal with a breast-shaped cymbal body.
The diameter of the cymbal surface is 32 cm to 40 cm. The milky bowl protruding in the center is round, large and high, and the hall is narrow. The diameter of the bowl is 28 cm to 36 cm, and the height of the bowl is 10 cm to 12 cm. The milk cymbals of the Qiang people are called throwing. The surface diameter is 20 cm, the bowl height is 10 cm, and the cymbal wall thickness is 0.8 cm. The top of the bowl is drilled with silk cloth or leather strips. Match cymbals with the same specifications on both sides and the same pitch as a pair.
When playing, hold one side with both hands, wrap the silk cloth on the cymbal bowl around the fingers, and the two cymbals strike each other to make a sound, the sound is soft and loud. It is often played in the tremolo method, which is full of national characteristics. It is mostly used in folk instrumental ensembles, festival songs and dances, wedding advocacy and activities of teachers and dojos.