Percussion instruments, also known as "percussion instruments", refer to the sound produced by tapping the instrument itself. Some of them are percussion instruments with fixed pitch, such as cloud gongs and chimes; There are also some percussion instruments with no fixed pitch, such as clapper, clapper, clapper drum, waist drum, tambourine, etc.

In the band, the drummer holds the important links such as the speed and rhythm of the music, especially in jazz, the drummer especially needs to maintain good cooperation with other musicians, for example, the drummer's neatness plays a decisive role in "cutting".

Most percussion instruments have a certain sound, even the sound of drums. But generally speaking, the classification of percussion instruments is to see whether an instrument has a certain pitch. However, some percussion players determine the pitch of their drums before recording or performing special works.