24 holes, which is a common harmonica. Your so-called 48 holes are also 24 holes, but some people are used to saying this, because the structure of this harmonica is 24 holes in two rows (because it is polyphonic), and another harmonica can also have 48 holes.

Polyphony means that the upper and lower rows of holes can produce sounds at the same time, but the tones are different, forming a composite sound.

Stress refers to the kind of harmonica with a low sound, which is generally used for harmony.

Harmonicas can be divided into solo and ensemble according to their purposes, with 24 holes for solo and others for accompaniment.

If you learn it now, you'd better learn the blues harmonica with 1 holes, relatively speaking. Moreover, there are many related contents on the Internet, such as some classic tunes, such as Sky City. It is very suitable to use it, because it is monophonic, so it is clear, clean and applicable in more directions. < P > If you choose 1 holes and buy a piano in combination with your own economic conditions, it is good for beginners to generally tune in C. Cheaper pianos, such as Shengli, or HUANG13, Suzuki's plastic lattice piano, are basically 5. Among these brands of HOHNER, the price is around 15, and the best ones are those of HOHNER's SP2, GM and JJ signature, which are between 2 and 3. Don't buy the most expensive ones, because even if your economic conditions allow, your beginner status can't be well controlled, and it won't be cost-effective to blow the piano again because of your own technical problems.

You can learn about tutorials, maintenance methods and so on online now, and then decide whether you want to learn this.