======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '247'
                                          'artist'  'The Kings of Convenience'
                                     'text_people'  'Kings of Convenience'
                                         'release'  'Quiet Is The New Loud'
                                           'title'  'The Weight of My Words'
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                                      'lastfmtags'  "['acoustic', 'indie', 'norwegian', 'indie pop', 'mellow']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '135.274'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Quiet Is The New Loud'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCOM' (Composer)                                   'Kings of Convenience'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'The Weight of My Words'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kings of Convenience'
'TPE2' (Band/orchestra/accompaniment)               'The Kings of Convenience'
'TPUB' (Publisher)                                  'Astralwerks'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'indie', 'norwegian', 'indie pop', 'mellow']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
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'TXXX:q-drums'                                      '1'
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'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.503318'

========================== row from database ==========================
                                              'id'  1358412
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kings of Convenience/Quiet Is The New Loud/06 the weight of my words.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  247
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4964240
                                           'mtime'  1620570361
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 the weight my words ifs songwriter indie unsorted
                                      'tag_artist'  The Kings of Convenience
                                     'tag_release'  Quiet Is The New Loud
                                       'tag_title'  The Weight of My Words
                                             'bpm'  135.274
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                                   'search_artist'  'convenience':4 'kings':2 'of':3 'the':1
                                  'search_release'  'is':2 'loud':5 'new':4 'quiet':1 'the':3
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                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'indie', 'norwegian', 'indie pop', 'mellow']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570360.8385441  (2021-05-09 16:26:00)
                             'size'  4964240