Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/2383 Resource class wmi:MusicalInstrument Title kaval Subject 421.111.12 Contributor Roger Vetter Type Bulgarian Macedonian pastoral Format 28 in. length Identifier 801 Source Eastern Europe Language EN Coverage Bulgaria Alternative Title caval Medium wood bone Requires 1 Is Part Of Grinnell College Music Instrument Collection Spatial Coverage Europe Provenance Tisdale gift 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 --