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Musical Instruments

Instruments are often divided by the way in which they generate sound:

Wind instruments generate a sound when a column of air is made to vibrate inside them. The frequency of the wave generated is associated to the distance of the column of air and the shape of the instrument, while the tone potential of the sound generated is affected by the building of the instrument and formula of tone production. The group is typically subdivided into Brass and Woodwind instruments.

Musical Instruments Sounds

Percussion instruments generate sound, with or without pitch, when struck. The shape and material of the part of the instrument to be struck and the shape of the resonating cavity, if any, decree the sound of the instrument.

String instruments generate a sound when the string is plucked, strummed, slapped, etc. The frequency of the wave generated (and therefore the note produced) commonly depends on the distance of the vibrating measure of the string, its mass, the tension of each string and the point at which the string is excited; the tone potential varies with the building of the resonating cavity.

Voice, that is, the human voice, is an instrument in its own right. A singer generates sounds when airflow from the lungs sets the vocal cords into oscillation. The fundamental frequency is controlled by the tension of the vocal cords and the tone potential by the formation of the vocal tract; a wide range of sounds can be created.

Electronic instruments generate sound through electronic means. They often mimic other instruments in their design, particularly keyboards.

Keyboard instruments are any instruments that are played with a musical keyboard. Every key generates one or more sounds; most keyboard instruments have extra means (pedals for a piano, stops for an organ) to manipulate these sounds. They may produce sound by wind (organ), vibrating strings either hammered (piano) or plucked (harpsichord), by electronic means (synthesizer) or in some other way. Sometimes, instruments that do not commonly have a keyboard, such as the glockenspiel, are fitted with one.

Brass instruments consist of a tube commonly of separate distance or thickness of which one using a mouth piece (a funnel section located at the instrument end) would blow into to collect musical notes.

Musical Instruments

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