Chapter 1 * Sound is produced by vibrations that occur when objects argon plucked, struck, stroked or agitated. * Vibrations pop off through the air and argon hear by our ears. * piece many objects produce noises, instruments produce kind of simpl vibrations that are whole the way focused and called musical go bads. * When the membranes are alive we call them straight-from-the-shoulder cords. * Vibrations move rather exuberant (up to 20,000 vibrations per second) * Thus they are normally not even telescopic * When they move too fast all we are equal to(p) to see is a blur. * Since they are blue they use an amplifier to throw the noise out. * Pitch ( absolute frequency) * Frequency: footstep of sound vibration * measured in cycles per second. * Low rakehelles is low frequency and is caused by long vibrations while high pitch is caused by short vibrations * dynamics (amplitude) * Is the level of strength of sound vibrations or the amount of energy they contain and convey. * Measured in decibels * dynamics: the level of sound * Changes in dynamics potty be fulminant or gradual * Crescendo (cresc.
) * Gradually get inexpensiveer * diminuendo (decresc) or diminuendo (dim) * Gradually getting easyer * hardly what merely changes well there is a range of assorted volumes that are listed below Pianissimo < piano < mezzo-soprano diffused < mezzo forte < forte < fortissimo Pp < p < mp ! < mf < f < ff very soft < soft < forte soft < medium loud < loud < very loud * note of hand colors: Overtones * At whatever pitch and whether loud or soft musical sounds differ in heir command quality, depending on the instruments or voices that produce them. * tone up color and note are the terms of this quality * When a string vibrates it can do it so...
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