Not much. The national piano grading test is divided into 10, and the piano grading test is divided into 10, and it passes the formal examination organized by relevant institutions every year. Those who pass the exam can get the corresponding grade certificate, and the video grading exam can be applied for up to 6 times a year. The increase of examination frequency also increases the chances of candidates passing. There are not many students who failed the alto piano test, and the alto piano test pass rate is 80%.