These allow the instrument to produce different tones for a variety of situations. Some button accordions have 'stops', which change the tone and are called things like "Organ" or "Trumpet" or "Tremolo". The button accordion has melodic notes on one side of the bellows (usually the right side), and bass accompaniment notes on the other side (generally the left). In the diatonic button accordion, reeds are fixed in pairs so that one note sounds when air moves in, and a different one when air moves out. The press of a button or key opens a valve to allow air to pass through the reed or reeds to make a sound when the bellows are pumped in or out. In modern accordions, the free reeds are generally made of tempered steel. The accordion has free reeds on both the treble and bass sides. Pushing or pulling the bellows slower or faster makes the sound softer or louder, respectively. The button accordion is often confused with the concertina the button accordion's buttons are on the front of the instrument, where as the concertina's are on the sides and pushed in parallel with the bellows.Īll accordions and concertinas have three main components: the reeds, bellows, and buttons or keys. Button accordions of various types are particularly common in European countries and countries where European people settled. The sound from the instrument is produced by the vibration of air in reeds. Erich von Hornbostel and Curt Sachs categorize it as a free reed aerophone in their classification of instruments, published in 1914.
This differs from the piano accordion, which has piano-style keys.
#Button box accordion series#
Diatonic button accordion (German make, early 20th century)Ī button accordion is a type of accordion on which the melody-side keyboard consists of a series of buttons.
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