======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'Luba-Songye'
                                     'text_people'  ''
                                         'release'  'Kanyok and Luba, Southern Belgian Congo 1952 & 1957'
                                           'title'  'Kasama wa Ndiambo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '23'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'loc-africa-congo'
                                             'bpm'  '84.000'
                                             'key'  '5A'
                                        'acoustid'  '8bd9a387-486c-451a-a578-b381f342be75'
rest: ''

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

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 '00000BBC 00000BBC')
'COMM:iTunes_CDDB_IDs:eng'                          '23+C91DFFE98DD517AF387A1AE06D59CD5A+863790'
'TALB' (Album/Movie/Show title)                     'Kanyok and Luba, Southern Belgian Congo 1952 & 1957'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-congo'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1955'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Michael Baird'], ['engineer', 'Hugh Tracey']])
'TIT2' (Title/songname/content description)         'Kasama wa Ndiambo'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Luba-Songye'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SWP Records'
'TRCK' (Track number/Position in set)               '21/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Luba-Songye'
'TXXX:ASIN'                                         '9077068090'
'TXXX:Acoustid Id'                                  '8bd9a387-486c-451a-a578-b381f342be75'
'TXXX:BARCODE'                                      '9789077068090'
'TXXX:CATALOGNUMBER'                                'SWP 011/HT 05'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '5facaeca-ea71-425b-9641-d8f453f633cd'
'TXXX:MusicBrainz Album Release Country'            'CD'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd03447b8-93bc-439a-abe5-59392c9fc159'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.16 dB'
'TXXX:replaygain_track_peak'                        '0.600896'
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========================== row from database ==========================
                                              'id'  1400430
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Kanyok & Luba/21 Kashama Wa Ndiambo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  loc-africa-congo
                                        'filesize'  4647207
                                           'mtime'  1621626234
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 21 Kashama Wa loc africa congo
                                      'tag_artist'  Luba-Songye
                                     'tag_release'  Kanyok and Luba, Southern Belgian Congo 1952 & 1957
                                       'tag_title'  Kasama wa Ndiambo
                                             'bpm'  84.0
                                    'search_title'  'kasama':1 'ndiambo':3 'wa':2
                                   'search_artist'  'luba':1 'lubasongye':3 'songye':2
                                  'search_release'  '1952':8 '1957':9 'and':2 'belgian':6 'congo':7 'kanyok':1 'luba':3,4 'southern':5
                                     'search_rest'  '00africa':1 '21':2 'africa':6 'congo':7 'kashama':3 'loc':5 'wa':4
                                    'search_combo'  '00africa':16 '1952':14C '1957':15C '21':17 'africa':21 'and':8C 'belgian':12C 'congo':13C,22 'kanyok':7C 'kasama':1A 'kashama':18 'loc':20 'luba':4B,9C,10C 'lubasongye':6B 'ndiambo':3A 'songye':5B 'southern':11C 'wa':2A,19
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626234.0976238  (2021-05-21 21:43:54)
                             'size'  4647207