Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/2691 Resource class wmi:MusicalInstrument Title brake drum Subject 111.2 Publisher found objects Contributor Roger Vetter Type cosmopolitan (Euro-American) Format 9.2 to 13.6 in. diameters Identifier 871 Source North America Language EN Coverage United States of America Alternative Title irons Medium metal Requires 1 Is Part Of Mixed Percussion Ensembles Steel Band from Trinidad and Tobago Grinnell College Music Instrument Collection Spatial Coverage Americas Provenance Grinnell College Music Department Basic form of sonorous object/s for idiophone bell-shaped vessel - with opening Sound objects per instrument for idiophone multiple sounded discretely Resonator design for idiophone sonorous object itself is a general resonating space Number of players for idiophone one Sounding principle for idiophone striking - direct Sound exciting agent for idiophone beater/s - mallet-shaped hammer/s Energy input motion by performer for idiophone hammering Pitch of sound produced for idiophones relative pitch Sound modification for idiophones none Category of Instrument idiophone --