Reed aerophone

Reed aerophones is one of the categories of musical instruments found in the Hornbostel-Sachs system of musical instrument classification. In order to produce sound with these Aerophones the player's breath is directed against a lamella or pair of lamellae which periodically interrupt the airflow and cause the air to be set in motion.

422 Reed aerophones

Hne

422.1 Double reed instruments - There are two lamellae which beat against one another. 422.2 Single reed instruments - The pipe has a single 'reed' consisting of a percussion lamella. 422.3 Reedpipes with free reeds - The reed vibrates through [at] a closely fitted frame. There must be fingerholes, otherwise the instrument belongs to the free reeds 412.13.