======================== unified (from filesystem) ========================
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                                        'duration'  '438'
                                          'artist'  'The Flaming Lips'
                                     'text_people'  ''
                                         'release'  'At War With The Mystics'
                                           'title'  "The Sound Of Failure / It's Dark... Is It Always This Dark??"
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                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'noise', 'psychedelic rock', 'experimental', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '121.921'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '121.921'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.2'
'TIT2' (Title/songname/content description)         "The Sound Of Failure / It's Dark... Is It Always This Dark??"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Flaming Lips'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/12'
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'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'noise', 'psychedelic rock', 'experimental', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
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'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Flaming Lips/At War With The Mystics/03 The Sound Of Failure _ It_s Dark. Is It Always This Dark__.mp3
                                         'working'  None
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                                    'duration_sec'  438
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  12371579
                                           'mtime'  1638554816
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                                      'tag_artist'  The Flaming Lips
                                     'tag_release'  At War With The Mystics
                                       'tag_title'  The Sound Of Failure / It's Dark... Is It Always This Dark??
                                             'bpm'  121.921
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                                  'search_release'  'at':1 'mystics':5 'the':4 'war':2 'with':3
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                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'noise', 'psychedelic rock', 'experimental', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554816.2159255  (2021-12-03 19:06:56)
                             'size'  12371579