Free reed aerophone

The reeds of an early 20th-century button accordion, with closeup

A free reed aerophone is a musical instrument that produces sound as air flows past a vibrating reed in a frame. Air pressure is typically generated by breath or with a bellows^[1]. In the Hornbostel–Sachs system, it is number: 412.13 (a member of interruptive free aerophones). Free reed instruments are contrasted with non-free or enclosed reed instruments, where the timbre is fully or partially dependent on the shape of the instrument body, Hornbostel–Sachs number: 42 (flute, reed, and brass).^[2]

^ Philip V. Bohlman (editor), The Cambridge History of World Music. Cambridge University Press ( 2013)
^ Kartomi, Margaret Joy (1990). On concepts and classifications of musical instruments. University of Chicago Press. p. 173. ISBN 9780226425498

[1] Philip V. Bohlman (editor), The Cambridge History of World Music. Cambridge University Press ( 2013)

[2] Kartomi, Margaret Joy (1990). On concepts and classifications of musical instruments. University of Chicago Press. p. 173. ISBN 9780226425498

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Free reed aerophone

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