Bit technical, generate an audio verson of unique hash tag id. compare audio hash tags to find duplicates.

"turnkey" setup : musicbrainz picard[0]

incorporate into own project : acoustid[1], dejavu[2]

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[0] : https://picard.musicbrainz.org/

[1] : https://acoustid.org/

[2] : https://github.com/worldveil/dejavu