Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/1537 Resource class wmi:MusicalInstrument Title samba whistle Subject 421.221.422 Publisher Latin Percussion Contributor Roger Vetter Type Afro-Brazilian Format 2.3 in. length 2.1 in. width Identifier 3475 Source South America Language EN Coverage Brazil Alternative Title apito tri-tone samba whistle Extent LP352 Medium metal wood Requires 1 Is Part Of Samba Ensemble for Carnival from Brazil Grinnell College Music Instrument Collection Spatial Coverage Americas Provenance Grinnell College Music Department Air cavity design for aerophones tubular - cylindrical with closed distal end Source and direction of airstream player exhalation through mouth into air cavity; unidirectional Energy transducer that activates sound for aerophones beveled edge in wall of instrument, indirectly blown against with aid of duct 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 not used Pitch production in aerophones multiple pitches - changing length/shape of standing wave within single cavity with fingerholes Category of Instrument aerophone --