DDEX Data Dictionary for Allowed Value Sets, 2019-09-16

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Intro

Melodeon

Button accordion on which the melody-side keyboard contains one or more rows of buttons with each row producing the notes of a diatonic scale. The bass side of the keyboard has fewer buttons, arranged in pairs, with one button of each pair playing the root of a chord and the other the corresponding major or minor triad.

Relationships
Belongs to Class	Accordion	Family of box-shaped bellows-driven free-reed aerophones. Played by compressing or expanding the bellows while pressing buttons or keys, causing pallets to open, which allow air to flow across strips of brass or steel called reeds. These vibrate to produce sound inside the body. Valves on opposing reeds of each note are used to make the instrument's reeds sound louder without air leaking from each reed block. The performer normally plays the melody on buttons or keys on the right-hand manual, and the accompaniment, consisting of bass and pre-set chord buttons, on the left-hand manual.
Belongs to AVS	avs:InstrumentType	A Type of musical instrument.

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