What role do keys in musical instruments play?

Playing musical instruments helps to improve people's creativity, analytical ability, language, mathematics and even subtle movements.

2. In wind music performance, the key of musical instrument is breath. The importance of breath in wind music performance: First of all, the breath in wind music performance is equivalent to the bow in string music performance. In the process of wind music performance, the sound quality of wind instruments is closely related to the stability and continuity of breath. If the breath is not properly used and adjusted, the uniformity and stability of timbre will be poor when playing wind music works, which will lead to poor performance of wind music. The main reason behind it is the lack of breath training, which makes it difficult to maintain a full and stable state in the process of breath transmission.

3. Secondly, in the performance of wind music, besides the basic single melody element, the integrity of wind music performance should also be considered. The ingenious use and adjustment of breath can improve the overall expressive force of wind music performance, make individual melody elements effectively connected and connected in series, and finally enhance the artistic expressive force of wind music performance. From the practice of wind music performance, the skillful use of breath by wind musicians makes their music more fluent and coherent, which is the embodiment of the importance of breath in wind music performance.