======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '166'
                                          'artist'  'Kanyoka'
                                     'text_people'  ''
                                         'release'  'Kanyok and Luba, Southern Belgian Congo 1952 & 1957'
                                           'title'  'Chindol Wa Mukalenga'
                                           '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'  '2'
                                      'tracktotal'  '23'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'loc-africa-congo'
                                             'bpm'  '113.389'
                                             'key'  '6A'
                                        'acoustid'  '65bb3a9e-230c-40f5-9314-2d2679539343'
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000210 0000020C 00006A94 000069DF 00010314 00010314 00007E83 00007D69 '
 '000053FA 000053FA')
'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))                     '113.389'
'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)         'Chindol Wa Mukalenga'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kanyoka'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SWP Records'
'TRCK' (Track number/Position in set)               '2/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Kanyoka'
'TXXX:ASIN'                                         '9077068090'
'TXXX:Acoustid Id'                                  '65bb3a9e-230c-40f5-9314-2d2679539343'
'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'                        '085933ac-9844-4389-941b-fbd8e8c33b4a'
'TXXX:Q-HAP'                                        '3'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.820621'
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========================== row from database ==========================
                                              'id'  1392774
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Kanyok & Luba/02 Chindol Wa Mukaleng.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  166
                                           'genre'  loc-africa-congo
                                        'filesize'  4000198
                                           'mtime'  1621626234
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 02 loc africa congo
                                      'tag_artist'  Kanyoka
                                     'tag_release'  Kanyok and Luba, Southern Belgian Congo 1952 & 1957
                                       'tag_title'  Chindol Wa Mukalenga
                                             'bpm'  113.389
                                    'search_title'  'chindol':1 'mukalenga':3 'wa':2
                                   'search_artist'  'kanyoka':1
                                  'search_release'  '1952':8 '1957':9 'and':2 'belgian':6 'congo':7 'kanyok':1 'luba':3,4 'southern':5
                                     'search_rest'  '00africa':1 'africa':3 'congo':4 'loc':2
                                    'search_combo'  '00africa':14 '1952':12C '1957':13C 'africa':16 'and':6C 'belgian':10C 'chindol':1A 'congo':11C,17 'kanyok':5C 'kanyoka':4B 'loc':15 'luba':7C,8C 'mukalenga':3A 'southern':9C 'wa':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626233.7367253  (2021-05-21 21:43:53)
                             'size'  4000198