Sound and Music
description
Transcript of Sound and Music
Music
• Sound organized in time• Needed: time frame, sound waves,
ability to perceive sound
• Improvisation- making up melody as you go along
Physics of Musical Sounds
• Sound waves– Amplitude=volume(how loud or soft)– Frequency=pitch(how high or low)
• Pitched and non-pitched
Instruments
• Ethnomusicologists-study music of other cultures
• Curt Sachs and Erich von Hornbostel categorized instruments into four groups
Categories
• Chordophones– One or more strings– Plucked, bowed, struck– Vibrating strings produce sounds
• Aerophones– Brass and wind instruments– Vibrating columns of air
Categories (cont.)
• Membranophones– Skin/membrane stretched across frame– Membrane vibrates– Drum
• Idiophones– Body of instrument vibrates– Bells, woodblocks, xylophones
• Electrophones
Instrument Families
• Strings- Chordophones– Violins, violas, cello, double bass
• Brass-Aerophones– Trumpet, French Horn, Trombone, Tuba
• Woodwind-Aerophones– Flute, Oboe, Clarinet, Saxophone,
Bassoon
Instrument Families (cont.)
• Percussion- membranophones and idiophones– Snare drum, timpani, xylophone,
cymbals• Keyboard- varies– Piano, harpsichord, organ
Electronic Instruments
• Began to appear first decades of 20th century – Theremin
• Electronic and radio technology during war was repurposed for the arts after the war.