======================== unified (from filesystem) ========================
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                                        'duration'  '276'
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======================== rawer (from filesystem) ========================

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'TDRC' (Recording time)                             '1999'
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'TPE1' (Lead performer(s)/Soloist(s))               'Celtus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
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'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Celtus'
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'TXXX:lastfmtags'                                   ['celtic', 'irish', 'new age', 'rock', 'progressive rock', 'folk']
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'TXXX:q-chart'                                      '2'
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'TXXX:q-play'                                       '2'
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========================== row from database ==========================
                                              'id'  1252952
                                            'path'  /data/Music/Bulk/00localcharacter/Clannad - Celtic Myst/Celtic Myst 2/Celtus - Strange Day In the Country.mp3
                                         'working'  None
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                                    'duration_sec'  276
                                           'genre'  loc-unsorted
                                        'filesize'  4505855
                                           'mtime'  1647277986
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                                       'tag_title'  Strange Day in the Country
                                             'bpm'  156.0
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                                   'search_artist'  'celtus':1
                                  'search_release'  '2':5 'celtic':1 'myst':2,3 'volume':4
                                     'search_rest'  'clannad':1 'in':2 'loc':3 'unsorted':4
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                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['celtic', 'irish', 'new age', 'rock', 'progressive rock', 'folk']
                                        'tag_date'  1999
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1647277986.1240013  (2022-03-14 18:13:06)
                             'size'  4505855