Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/2957 Resource class wmi:MusicalInstrument Title mbiu Subject 423.122.2 Contributor Roger Vetter Type Swahili Format 15 in. length Identifier 811 Source East Africa Language EN Coverage Kenya Medium horn - mammal Requires 1 Is Part Of Grinnell College Music Instrument Collection Spatial Coverage Africa Provenance Tisdale gift Air cavity design for aerophones tubular - conical with open distal end Source and direction of airstream player exhalation through mouth into air cavity; unidirectional Energy transducer that activates sound for aerophones lip reed (player’s lips) placed over hole in side of tube Means of modifying shape and dimensions of standing wave in air cavity for aerophones none Overblowing utilization in aerophones not used Pitch production in aerophones single pitch - one pitch produced in single air cavity Category of Instrument aerophone --