Why the clarinet does not blow for the first time many people do not play the clarinet for the first time, in fact, the most fundamental reason is the problem of mouth shape, the upper and lower lips and teeth should be closed naturally. The second is the problem of whistle, play should pay attention to check whether the whistle is complete, wet enough. Finally, we should practice more at ordinary times, practice makes perfect. The clarinet is generally divided into bB, A, C, bE and F. The clarinet is one of the most widely used instruments in the family of woodwind music. The clarinet treble area is clear and clear; the middle tone area is pure, expressive, clear and beautiful; the bass area is low, thick and full.