What should I do if the harmonica cannot produce sound in cold and humid weather?

When you play a single note, you use your mouth to exhale (hu) into the pores of the harmonica, rather than blowing (ha).

When you play a single note, your mouth shape is: To pronounce the sound of "xu" (xu), you can try it in front of a mirror. You will find that your lips are pursed and your mouth is very small.

The inside of the mouth is in the shape of a tube. It doesn’t matter if you don’t know whether it is a tube shape, I will teach you. When spitting, phlegm moves from the throat to the tongue, and that feeling is the feeling in the mouth. (Although it is a bit disgusting, it is very vivid)

The same is true when inhaling sound. Never change the shape of the mouth and mouth, how to get the air out and how to inhale it back.

After blowing like this for a few times, you will find that you are very tired and sore. This is normal. When you get used to this mouth shape, you will find a relatively comfortable position, and then you won't be as sore as you were at the beginning when you practice again.

Blowing for a long time will definitely dry out your mouth and stick to the harmonica. You just need a glass of water to moisten your mouth. You can also try applying a little lipstick to lubricate it.