The present invention relates to an improved gayageum with improved acoustics. The improved sound gayageum according to the present invention includes: a top plate on which a string is placed across, and an anjok corresponding to the string is installed so as to expand the vibration of the string; and a lower plate coupled to the upper plate so as to form a resonant space between the upper plate and the upper plate, wherein the upper plate includes the resonant space and It is characterized in that it comprises a volume expansion hole to communicate.
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