======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '124'
                                          'artist'  'Tony Randall'
                                     'text_people'  ''
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                                           'title'  'Lucky Lindy'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '88.9'
                                             'key'  '10B'
                                        'acoustid'  'f5f92979-c4cb-4a15-9dcd-f8ec100a3103'
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1967'
'TENC' (Encoded by)                                 'iTunes v7.2'
'TIT2' (Title/songname/content description)         'Lucky Lindy'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Tony Randall'
'TPE2' (Band/orchestra/accompaniment)               'Tony Randall'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mercury Records'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Randall, Tony'
'TSOP' (Performer sort order)                       'Randall, Tony'
'TXXX:Acoustid Id'                                  'f5f92979-c4cb-4a15-9dcd-f8ec100a3103'
'TXXX:Artists'                                      'Tony Randall'
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'TXXX:MusicBrainz Artist Id'                        '43ed812f-bb06-499b-810d-e95b64a8e943'
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'TXXX:MusicBrainz Release Track Id'                 '23424d2a-6377-427b-9421-30db2f0cd7f8'
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'TXXX:Q-HHRNBTT'                                    '1'
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'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
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'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
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========================== row from database ==========================
                                              'id'  660109
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/280_04_Tony_Randall_-_Lucky_Lindy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  124
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3244582
                                           'mtime'  1620538314
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 280_04_Tony_Randall_ _Lucky_Lindy prerock jb jazz unsorted
                                      'tag_artist'  Tony Randall
                                     'tag_release'  Vo, Vo, De, Oh, Doe
                                       'tag_title'  Lucky Lindy
                                             'bpm'  88.9
                                    'search_title'  'lindy':2 'lucky':1
                                   'search_artist'  'randall':2 'tony':1
                                  'search_release'  'de':3,4 'doe':7 'oh':5,6 'vo':1,2
                                     'search_rest'  '04':2 '280':1 'jazz':9 'jb':8 'lindy':6 'lucky':5 'prerock':7 'randall':4 'tony':3 'unsorted':10
                                    'search_combo'  '04':13 '280':12 'de':7C,8C 'doe':11C 'jazz':20 'jb':19 'lindy':2A,17 'lucky':1A,16 'oh':9C,10C 'prerock':18 'randall':4B,15 'tony':3B,14 'unsorted':21 'vo':5C,6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538313.9781709  (2021-05-09 07:31:53)
                             'size'  3244582