======================== unified (from filesystem) ========================
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                                        'duration'  '131'
                                          'artist'  'Derrick Morgan'
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                                           'title'  'River to the Bank'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
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                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '16'
                                            'date'  '2005'
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                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
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======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Trojan Mod Reggae Box Set, Volume 2'
'TBPM' (BPM (beats per minute))                     '100.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-08-22'
'TENC' (Encoded by)                                 'Lame'
'TIT2' (Title/songname/content description)         'River to the Bank'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Derrick Morgan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'Trojan Records'
'TRCK' (Track number/Position in set)               '4/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Morgan, Derrick'
'TXXX:ARTISTS'                                      'Derrick Morgan'
'TXXX:ASIN'                                         'B000A14OMY'
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'TXXX:MusicBrainz Album Id'                         '578b8203-aa15-3277-9286-039fbe57ba54'
'TXXX:MusicBrainz Album Release Country'            'GB'
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'TXXX:MusicBrainz Artist Id'                        '2f2c85b9-135d-4830-a925-ee7548332f70'
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'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-8.31 dB'
'TXXX:replaygain_track_peak'                        '0.977371'
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========================== row from database ==========================
                                              'id'  1534965
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/CD2/04. Derrick Morgan - River To The Bank.mp3
                                         'working'  None
                                         'bitrate'  126
                                    'duration_sec'  131
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  2130674
                                           'mtime'  1636914319
                                   'redo_metaread'  0
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                                      'tag_artist'  Derrick Morgan
                                     'tag_release'  Trojan Mod Reggae Box Set, Volume 2
                                       'tag_title'  River to the Bank
                                             'bpm'  100.8
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                                   'search_artist'  'derrick':1 'morgan':2
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                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-4', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914318.7763622  (2021-11-14 19:25:18)
                             'size'  2130674