VPMA93H3 Lecture Notes - Lecture 2: String Vibration, Mbira, Vibraphone
Document Summary
Hornbostel-sachs system of instrument classification: classified by sound, classifications. Idiophones vibrations are produced by striking either one portion of the instrument against another, or another object against the instrument. Examples: vibraphone, marimba, mbira (thumb piano, african, tap dancing. Membranophones sound is produced by vibrations of a stretched membrane that is struck or rubbed. May be untuned (indefinite pitch) or they may be capable of producing pitches (definite pitch: with definite pitch. Timpani, glockenspiel, vibraphone, celesta, chimes, bell-lyra, xylophone: with indefinite pitch. Gong, cymbals, snare drum, triangle, castanets, street drum, bass drum. Chordophones sound is produced by a vibrating string activated by striking, pluckinng, or bowing. Examples: guitar, violin, viola, celo, harp, lyre, harpsichord, sitar, zither an instrument in which the strings run the length of the body. Drone a continuous sound on one or more fixed pitches: sympathetic string a string that is not normally played upon directly but that is set in motion by the acoustical phenomenon of resonance.
