Diatonic button accordion (German make, early 20th century).

A button accordion is a type of accordion on which the melody-side keyboard consists of a series of buttons rather than piano-style keys. There exists a wide variation in keyboard systems, tuning, action and construction of these instruments. For example:

• The chromatic button accordion
• The diatonic button accordion

[edit] See also

• List of All Ireland button accordion champions
• Garmon', Bayan (Russian)
• Melodeon (accordion)
• Piano accordion
• Squeezebox

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