======================== unified (from filesystem) ========================
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                             'musicbrainz_albumid'  ''
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                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
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rest: ''

======================== rawer (from filesystem) ========================

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'TCON' (Content type, a.k.a. Genre)                 'loc-m-israel'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 10.1'
'TIT2' (Title/songname/content description)         'Instrumental Overture for Marriage  Hijaz Masaqui'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Music of the Jews from Morrocco'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - In Israel Today 2 (Westminster)/2.Instrumental Overture for Marriage_ Hijaz Masaqui.mp3
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                                       'tag_title'  Instrumental Overture for Marriage  Hijaz Masaqui
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                                    'tag_tracknum'  2
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                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526468.1363885  (2021-05-09 04:14:28)
                             'size'  5138884