The term squeezebox (also squeeze box, squeeze-box) is a

colloquial Colloquialism (), also called colloquial language, everyday language or general parlance, is the linguistic style used for casual (informal) communication. It is the most common functional style of speech, the idiom normally employed in conve ...

expression referring to any

musical instrument A musical instrument is a device created or adapted to make musical sounds. In principle, any object that produces sound can be considered a musical instrument—it is through purpose that the object becomes a musical instrument. A person who pl ...

of the general class of hand-held

bellows A bellows or pair of bellows is a device constructed to furnish a strong blast of air. The simplest type consists of a flexible bag comprising a pair of rigid boards with handles joined by flexible leather sides enclosing an approximately airtig ...

-driven free reed aerophones such as the

accordion Accordions (from 19th-century German ''Akkordeon'', from ''Akkord''—"musical chord, concord of sounds") are a family of box-shaped musical instruments of the bellows-driven free-reed aerophone type (producing sound as air flows past a ree ...

and the

concertina A concertina is a free-reed musical instrument, like the various accordions and the harmonica. It consists of expanding and contracting bellows, with buttons (or keys) usually on both ends, unlike accordion buttons, which are on the front. The ...

. The term is so applied because such instruments are generally in the shape of a

rectangular prism In geometry, a cuboid is a hexahedron, a six-faced solid. Its faces are quadrilaterals. Cuboid means "like a cube", in the sense that by adjusting the length of the edges or the angles between edges and faces a cuboid can be transformed into a cub ...

or box, and the bellows is operated by squeezing in and drawing out. Accordions (including piano accordions and button accordions) typically have right-hand buttons or keys that play single notes (melody) and left hand buttons that play chords and bass notes. The

bandoneon The bandoneon (or bandonion, es, bandoneón) is a type of concertina particularly popular in Argentina and Uruguay. It is a typical instrument in most tango ensembles. As with other members of the concertina family, the bandoneon is held be ...

is a type of concertina particularly popular in South America and Lithuania, frequently featuring in tango ensembles. Concertinas (including the English concertina, Anglo concertina and bandoneon) play single notes (melody) on both left and right hands. The Indian

harmonium The pump organ is a type of free-reed organ that generates sound as air flows past a vibrating piece of thin metal in a frame. The piece of metal is called a reed. Specific types of pump organ include the reed organ, harmonium, and melodeon. Th ...

remains an important instrument in many genres of Indian music, stemming from French-made hand-pumped harmoniums being brought to

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

missionaries A missionary is a member of a religious group which is sent into an area in order to promote its faith or provide services to people, such as education, literacy, social justice, health care, and economic development.Thomas Hale 'On Being a Mi ...

in the mid-19th century. The flutina is an early precursor to the

diatonic button accordion A melodeon or diatonic button accordion is a member of the free-reed aerophone family of musical instruments. It is a type of button accordion on which the melody-side keyboard contains one or more rows of buttons, with each row producing the ...

External links

Accordion {{FreeReed-instrument-stub