Music theory knowledge must be tested on drum set level 6, otherwise it is not allowed to be tested. Therefore, it still needs practice. It's not enough. Generally, our domestic achievements are not standardized.

A good drummer should not only have comprehensive skills, but also have a strong understanding and expression of music. Of course, this is accumulated from the roots.

Compared with other musical instruments, drums are relatively simple. Because it does not involve harmony, mode, tonality and so on. It needs the rhythm and speed of knowledge and the coordination ability of limbs. It is recommended to buy a basic music theory, read it often and lay a good theoretical foundation.