Why the clarinet sometimes overble      Sometimes the cheap clarinet can not blow up, the main reason is the blowing, this problem is well solved to use the abdominal breathing when blowing, using the muscles near the abdomen to control the flow rate of breath; while to maintain a relaxed and unchanged mouth blowing with the pipe, keep constant pressure and airflow, soprano should pay great attention to the mouth opening; mouth like whistling, the upper lip is slightly stronger than the lower lip. It is mainly determined by the adjustment to the breath. The highest level of clarinet is level 9, and the normal grade examination usually needs to pay the examination fee to take the examination. Most examination institutions hold clarinet examination twice a year, usually during the cold leave, but the time and number of each region is not fixed, the specific is subject to the examination notice of each examination area. Learning the clarinet generally needs to understand the five-line spectrum, the expressive force of the simple spectrum is usually very limited, and the complex clarinet repertoire is generally no simple spectrum. Five-line score is a common notation in the world that records music by marking different notes and other marks on five distant parallel horizontal lines, which is one of the most widely used scores. Sentries for the general clarinet are divided into 2,2.5,3,3.5,4,4.5 and 5. The 2 whistle is the softest and easiest to pronounce, suitable for beginners, and the 5 whistle is the hardest and less used. From 2 to 5, but the tone will also get better and better, the player can choose the suitable whistle piece according to their own foundation.