======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '978'
                                          'artist'  'Fela Anikulapo Kuti'
                                     'text_people'  ''
                                         'release'  'The Complete Works of Fela Anikulapo Kuti'
                                           'title'  'Ginger Baker & Tony Allen Drum Solo'
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                                      'lastfmtags'  "['afrobeat', 'jazz', 'funk', 'african', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '5'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-africa-nigeria'
                                             'bpm'  '142.608'
                                             'key'  '10A'
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======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '142.608'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-nigeria'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-11-01'
'TIT2' (Title/songname/content description)         'Ginger Baker & Tony Allen Drum Solo'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Fela Anikulapo Kuti with Ginger Baker'
'TPE2' (Band/orchestra/accompaniment)               'Fela Anikulapo Kuti'
'TPOS' (Part of a set)                              '5/27'
'TPUB' (Publisher)                                  'Wrasse Records'
'TRCK' (Track number/Position in set)               '5/5'
'TSO2'                                              'Kuti, Fela'
'TSOP' (Performer sort order)                       'Kuti, Fela with Baker, Ginger'
'TSST' (Set subtitle)                               'CD Five: Fela With Ginger Baker Live!'
'TXXX:ASIN'                                         'B0042FXINK'
'TXXX:Acoustid Id'                                  '934a78af-25f0-45c3-aa9c-766dc6a1782d'
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'TXXX:CATALOGNUMBER'                                'WRASS276'
'TXXX:MusicBrainz Album Artist Id'                  '6514cffa-fbe0-4965-ad88-e998ead8a82a'
'TXXX:MusicBrainz Album Id'                         'd54d0d24-c3ba-435f-9ae9-60d2574c3027'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['afrobeat', 'jazz', 'funk', 'african', 'world']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.625958'
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========================== row from database ==========================
                                              'id'  930256
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Fela Kuti/live with ginger baker/Fela Kuti, Ginger Baker and Tony Allen - Drum solo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  978
                                           'genre'  loc-africa-nigeria
                                        'filesize'  23499875
                                           'mtime'  1621629084
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa live with ginger baker Kuti, and solo loc africa nigeria
                                      'tag_artist'  Fela Anikulapo Kuti
                                     'tag_release'  The Complete Works of Fela Anikulapo Kuti
                                       'tag_title'  Ginger Baker & Tony Allen Drum Solo
                                             'bpm'  142.608
                                    'search_title'  'allen':4 'baker':2 'drum':5 'ginger':1 'solo':6 'tony':3
                                   'search_artist'  'anikulapo':2 'fela':1 'kuti':3
                                  'search_release'  'anikulapo':6 'complete':2 'fela':5 'kuti':7 'of':4 'the':1 'works':3
                                     'search_rest'  '00africa':1 'africa':11 'and':8 'baker':5 'ginger':4 'kuti':6,7 'live':2 'loc':10 'nigeria':12 'solo':9 'with':3
                                    'search_combo'  '00africa':17 'africa':27 'allen':4A 'and':24 'anikulapo':8B,15C 'baker':2A,21 'complete':11C 'drum':5A 'fela':7B,14C 'ginger':1A,20 'kuti':9B,16C,22,23 'live':18 'loc':26 'nigeria':28 'of':13C 'solo':6A,25 'the':10C 'tony':3A 'with':19 'works':12C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['afrobeat', 'jazz', 'funk', 'african', 'world']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629083.5731537  (2021-05-21 22:31:23)
                             'size'  23499875