======================== unified (from filesystem) ========================
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                                           'title'  "It Doesn't Have to Be Beautiful"
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                                      'lastfmtags'  "['indie/indie pop/british/folk/twee']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

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'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-07-06'
'TIT2' (Title/songname/content description)         "It Doesn't Have to Be Beautiful"
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Slow Club'
'TPE2' (Band/orchestra/accompaniment)               'Slow Club'
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'TPUB' (Publisher)                                  'もしもし'
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'TSO2'                                              'Slow Club'
'TSOP' (Performer sort order)                       'Slow Club'
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'TXXX:MusicBrainz Album Release Country'            'GB'
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'TXXX:originalyear'                                 '2009'
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'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
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'TXXX:q-syn'                                        '2'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Slow Club - Slow_Club-Yeah_So-2009/04-slow_club-it_doesnt_have_to_be_beautiful.mp3
                                         'working'  None
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                                    'duration_sec'  224
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  5234562
                                           'mtime'  1636400751
                                   'redo_metaread'  0
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                                      'tag_artist'  Slow Club
                                     'tag_release'  Yeah So
                                       'tag_title'  It Doesn't Have to Be Beautiful
                                             'bpm'  136.184
                                    'search_title'  'be':7 'beautiful':8 'doesn':2 'doesnt':4 'have':5 'it':1 't':3 'to':6
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                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-JZFKS-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie/indie pop/british/folk/twee']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400751.3226697  (2021-11-08 20:45:51)
                             'size'  5234562