List of aerophones by Hornbostel–Sachs number
Wikimedia list article
The Hornbostel–Sachs system of musical instrument classification groups all instruments in which sound is produced through vibrating air. This can include a column of air being set in vibration (as in wind instruments) or an air-flow being interrupted by an edge (as in free-reeds). The instrument itself does not vibrate, and there are no vibrating strings or membranes.
Aerophones (4)
Free aerophones (41)
Instruments where the vibrating air is not enclosed by the instrument itself.
Bullroarer
Siren (noisemaker)
Displacement free aerophones (411)
The air-stream meets a sharp edge, or a sharp edge is moved through the air. In either case, according to more recent views, a periodic displacement of air occurs to the alternate flanks of the edge. Examples are the swordblade or the whip.
Swordblade
Whip
Interruptive free aerophones (412)
The air-stream is interrupted periodically
412.1 Idiophonic interruptive aerophones or reeds - The air-stream is directed against a lamella, setting it in periodic vibration to interrupt the stream intermittently. In this group also belong reeds with a 'cover,' i.e. a tube in which the air vibrates only in a secondary sense, not producing the sound but simply adding roundness and timbre to the sound made by the reed's vibration; generally recognizable by the absence of fingerholes.
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