Tonic characteristics of the clarinet     The center tone area of the clarinet is pure, rich in expression, clear and beautiful, the bass area is thick, low and plump, and the high pitch area is loud and clear. It is the most widely used musical instrument in the woodpipe group. Suitable to show a variety of musical personalities, both in solo or band performance. Clarinet is better from the age of 10 to 10-12. Because the clarinet needs to be played on the lung capacity, during which the lung function and organs are fully developed and the lung capacity has increased greatly, which is suitable for learning the clarinet.