Musical instruments are devices that are used to generate music. Musical instruments are generally controlled by the player or the musician to produce the desired sound effects.

Musical instruments are as old as music, and there are still some traditional instruments that date back to centuries before. Each musical instrument has its own melody, pitch, rhythm, timbre, loudness, and duration, as well as the notes and chords.

There are many kinds of musical instruments. The main categories are: chordophones (strings), aerophones (woodwinds and brasses), idiophones (percussion), and membranophones (drums). Stringed instruments produce a sound when a string is plucked or strummed. The sound depends on the mass of the string, length of the vibrating portion of the string, its tension, and the point at which the string is plucked or strummed. It also depends on the kind of resonating cavity in the instrument. Viola, violin, cello, guitar, mandolin, fiddle, harp, lute, banjo, etc, are some of the string instruments.

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