The [b]harmonica[/b], also [b]French harp[/b], [b]blues harp[/b], and [b]mouth organ[/b], is a free reed wind [[instrument]] used worldwide in nearly every musical genre, notably in blues, American folk music, jazz, country, and rock and roll. There are many types of harmonica, including diatonic, chromatic, tremolo, octave, orchestral, and bass versions. A harmonica is played by using the mouth (lips and/or tongue) to direct air into and out of one or more holes along a mouthpiece.

h4. See also

* [[Instrument]]
* [[Music]]
* [[Glass Harmonica]]
* [[Harp]]
* [[Organ (instrument)|]]
* [[Tag Group:Audio Tags]]

h4. External links

* "[i]Wikipedia[/i] article":https://en.wikipedia.org/wiki/Harmonica
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