Harmonicas in general major have (from low to high) e, f, f #, g, g #, a #, b, c, c #, d #, * * 12 keys.

The harmonica in ordinary minor has (from low to high) keys of Em, Fm, f # m, Gm, g # m, Am, a # m, Bm, Cm, c # m, Dm, d # m, * * 12.

The above 24 modes are common polyphonic harmonicas. The logo of each harmonica manufacturer will be different for falling and rising. For example, some brands of D # harmonica will be marked; C # will identify db; Another representation, but the basic pitch (tone) is the same.

Professional harmonica or professional harmonica, advanced harmonica, etc. In addition to major, minor and 24 keys, there are also 12 keys in natural minor.

Natural mirrors are: ENm, FNm, f # nm, GNm, g # nm, ANm, a # nm, BNm, CNm, c # nm, DNm and d # nm.

Extended data:

The differences between harmonica A and C are: different timbres, different tunes and different timbres.

First of all, the tone is different

1, harmonica A key: When playing the same type of harmonica, the harmonica A key is lowered by three degrees compared with the harmonica C.

2, harmonica C key: When playing the same type of harmonica, the harmonica C key is three degrees higher than the harmonica A.

Second, it is suitable for different tunes

1, harmonica key A: When playing the same type of harmonica, harmonica key A is suitable for playing bass music.

2. Harmonica key C: When playing the same type of harmonica, the harmonica key C is suitable for playing high notes.

Third, the timbre is different.

1, harmonica key A: When playing the same type of harmonica, the tone of harmonica key A is deeper and more solemn than that of harmonica key C.

2, harmonica C key: When playing the same type of harmonica, the harmonica C key is more expensive and crisp than the harmonica A key.

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