Add support for older Vorbis tags:  TOTALTRACKS & TOTALDISCS as used in DbPowerAmp.com pre 14.3 Ref: https://forum.dbpoweramp.com/showthread.php?27294-Totaltracks-and-Tracktotal-in-flac Ref: https://picard.musicbrainz.org/docs/mappings/
Add support for older Vorbis tags:  TOTALTRACKS & TOTALDISCS as used in DbPowerAmp.com pre 14.3
Ref: https://forum.dbpoweramp.com/showthread.php?27294-Totaltracks-and-Tracktotal-in-flac
Ref: https://picard.musicbrainz.org/docs/mappings/

Borewit/music-metadata,Borewit/music-metadata