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It is a musical instrument with 4 - 18 (depends) strings and played using the fingers.It is a type of Chordophone.Guitars are of 3 types :- * Classical guitar
                                                                                   *Steel string guitar
                                                                                   *Archtop  guitar
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 stringed musical instrument, with a fretted fingerboard, typically incurved sides, and six or twelve strings, played by plucking or strumming with the fingers or a plectrum 
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