What is the kind of clarinet leakage may be because the finger is not press due to the leak, as long as the correct press it is no problem. But if it is caused by the button, just adjust the tightening of the screw. Screws can not be too loose and not too tight, too loose sensitivity drops, too tight screws easy to collapse. Some small problems, you can solve them by yourself. The difference between the A tube and the B tube of the general clarinet is that the A tube is longer than the B tube, and the A tube is the A tone, while the B tube is the reduced B tone. What does the clarinet need to do to contact long tones? First, according to the composition of the mouth and the position of the flute, combined with the abdominal breathing method; then correct the mouth, air pressure, standing position, fingers, open the metronome, from the lowest sound, maintain volume balance; finally pay attention to each head and each sound, ventilation, breath should be stable and uniform, volume should not be strong and weak, the head should be weak, the tail to receive, each sound can add strong and weak changes. Is it difficult to learn clarinet? Although clarinet self-study is some difficult, but as long as it is patient and determination can learn well. At the beginning of blowing, you can plug the mouthpiece and regulation pipe together, and you can blow all assemble together when you blow the sound. If you can blow the sound after assembly, it means that you have learned how to blow. After learning to play the clarinet, you should learn its fingering. You can learn from the bass. When you practice the basic skills when free, and practice the basic skills well, it is the time to really play the music.