Disclosed is a technical method to realize consistent indication in specific Bu-jung in a certain Jung for Korean traditional music instrument sound progress and a position in specific Bu-jung in a certain Jung of Jung-gan-bo when playing Korean traditional music instrument sound based on Jung-gan-bo music. The method comprises the following steps of: selecting tonality; selecting a position of Gak, Gang, and Jung; figuring out the number of specific Bu-jung of relative Jung; figuring out a Korean traditional music note; recognizing a Korean traditional music signal; playing Korean traditional music instrument sound based on the preceding steps; and expressing predetermined indication at a position of the specific Bu-jung in the relevant Jung-gan-bo music while playing the sound.;COPYRIGHT KIPO 2016
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