Clarinet is one of the indispensable instruments in modern orchestras, which was born at the end of 17 and the beginning of 18. With the continuous reform and improvement of musical instruments, composers from all over the world have added a large number of clarinets to their symphonies and written many classic clarinet music works handed down from generation to generation, making clarinets an important instrument in symphonies.

Clarinet is one of the indispensable instruments in modern orchestra. Together with flute, oboe and bassoon, it forms the four-part harmony system of woodwind group. Compared with the bright timbre of flute and oboe and the low timbre of bassoon, clarinet has the characteristics of changeable timbre. It not only plays a connecting role in harmony, but also has extraordinary expressive power in melody performance. Therefore, it has always been favored by composers from all over the world and is known as the "orator" of the orchestra.