Url
	https://omeka-s.grinnell.edu/s/MusicalInstruments/item/2371
Resource class
	wmi:MusicalInstrument
Title
	kawala
Subject
	421.111.12
Contributor
	Roger Vetter
Type
	Arab
Format
	19.5 in. length
Identifier
	6130
Source
	North Africa
Language
	EN
Coverage
	Egypt
Alternative Title
	qawwāl
Medium
	reed - cane
	cord - cotton
Requires
	1
Is Part Of
	Grinnell College Music Instrument Collection
Spatial Coverage
	Africa
Provenance
	Vetter collection
Air cavity design for aerophones
	tubular - cylindrical with open distal end
Source and direction of airstream
	player exhalation through mouth into air cavity; unidirectional
Energy transducer that activates sound for aerophones
	beveled rim at end of tube
Means of modifying shape and dimensions of standing wave in air cavity for aerophones
	opening fingerholes to reduce space or shorten length of standing wave in air cavity
Overblowing utilization in aerophones
	overblowing at consecutive partials
Pitch production in aerophones
	multiple pitches - changing length of standing wave within cavity with fingerholes and by selecting partials through overblowing
Category of Instrument
	aerophone

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