Question

Name three major classes of musical instruments and explain how the sound is produced by them.

Answer 1

the three major classes of musical instruments are

stringed instruments : in stringed instruments sound is produced by a vibrating string.the shrillness or pitch of the sound is altered by changing the length of vibrating portion of the string . these instruments also have an air chamber which helps increase the loudness of the sound produced .example violin,guitar,sitar

winded instruments : in wind instruments sound is produced by the vibrating air coloumn inside the instrument .the pitch of the sound is altered by changing the lenght of the vibrating air column examples, trumpet,flute,harmonica

percussion instruments : in percussion instruments sound is produced by a vibrating skin or membrane .the pitch is altered by increasing or decreasing the tension in the membrane example tabla drums dholak

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The simple answer is as follows

The 3 types of instruments are 

i> String Instuments : The sound is produced by the STRETCHED STRINGS

ii> Percurcian Instruments : The sound is produced by the STRETCHED MEMBRANE

iii> Wind Instruments : The sound is produced by the AIR COLUMN

Answer 2

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Membranophones, such as drums or kazoos, which produce sound by a vibrating membrane; chordophones, such as the piano or cello, which produce sound by vibrating strings; aerophones, such as the pipe organ or oboe, which produce sound by vibrating columns of air.

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