Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/1543 Resource class wmi:MusicalInstrument Title se-p’iri Subject 422.111.2 Contributor Roger Vetter, Toby Austin Type Korean Format 11.5 in. total length 9.1 in. length of pipe only 2.6 in. length or reed only 0.34 in. diameter of tube 0.19 in. bore diameter Identifier 6048 Source East Asia Language EN Coverage South Korea Medium bamboo reed - cane Requires 1 Is Part Of Grinnell College Music Instrument Collection Spatial Coverage Asia 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 exposed concussion (multiple) reed 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 --