Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/1241 Resource class wmi:MusicalInstrument Title timbal Subject 211.251.1 Publisher Contemporanea Contributor Roger Vetter Type Afro-Brazilian Format 27.5 in. height 10.3 in. diameter of smaller opening of shell 13.8 in. diameter of larger opening of shell Identifier 3270 Source South America Language EN Coverage Brazil Alternative Title timba timbau Extent 08C Medium metal - sheet membrane - synthetic metal Requires 1 Is Part Of Samba Ensemble for Carnival from Brazil Grinnell College Music Instrument Collection Spatial Coverage Americas Provenance Grinnell College Music Department Number of drums comprising instrument for membranophone single drum Shell design for membranophone tubular - conical Number and function of membranes for membranophone one, for sounding Membrane design for membranophone framed with rigid flesh hoop Membrane attachment for membranophone counterhoop, lapped over framed membrane hoop, connected by lacing or tension rods to brackets attached to shell Membrane tension control for membranophone rotating screw rods or bolts Sounding for membranophone striking directly with both hands Sound modifiers for membranophone none Category of Instrument membranophone --