======================== unified (from filesystem) ========================
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                                        'duration'  '153'
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                       'musicbrainz_albumartistid'  ''
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                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul'
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                                             'key'  '6A'
                                        'acoustid'  'c725b4e3-0207-44b2-87c7-933e09548fa5'
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======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
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'TDRC' (Recording time)                             '2000'
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'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bull and the Matadors'
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'TSOP' (Performer sort order)                       'Bull and the Matadors'
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'TXXX:Artists'                                      'Bull and the Matadors'
'TXXX:BARCODE'                                      '0724389921922'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
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'TXXX:fBPMQuality'                                  '0.000000'
'TXXX:originalyear'                                 '2000'
'TXXX:other'                                        '68'
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========================== row from database ==========================
                                              'id'  1532014
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/funkin_ on the one/05 Bull, The Matadors - 68 The Funky Judge.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  funk or soul
                                        'filesize'  2536288
                                           'mtime'  1628357676
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul funkin_ one 05 Bull, 68 funk soul
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                                     'tag_release'  Funkin' on the 1
                                       'tag_title'  The Funky Judge
                                             'bpm'  127.7
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                                   'search_artist'  'and':2 'bull':1 'matadors':4 'the':3
                                  'search_release'  '1':5 'funkin':1,2 'on':3 'the':4
                                     'search_rest'  '68':8 'bull':6,7 'funk':2 'funkin':4 'one':5 'soul':3 'swing':1
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                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357676.1828635  (2021-08-07 19:34:36)
                             'size'  2536288