======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '350'
                                          'artist'  'Lauryn Hill'
                                     'text_people'  ''
                                         'release'  'The Miseducation of Lauryn Hill'
                                           'title'  'Nothing Even Matters'
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 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['rnb', 'female vocalists', 'soul', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '136'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Miseducation of Lauryn Hill'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-08-25'
'TIT2' (Title/songname/content description)         'Nothing Even Matters'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Lauryn Hill feat. D'Angelo"
'TPE2' (Band/orchestra/accompaniment)               'Lauryn Hill'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ruffhouse Records'
'TRCK' (Track number/Position in set)               '12/16'
'TSO2'                                              'Hill, Lauryn'
'TSOP' (Performer sort order)                       "Hill, Lauryn feat. D'Angelo"
'TSRC' (ISRC (international standard recording code))  'USSM19803112'
'TXXX:ASIN'                                         'B00000ADG2'
'TXXX:Artists'                                      "Lauryn Hill/D'Angelo"
'TXXX:BARCODE'                                      '074646903520'
'TXXX:CATALOGNUMBER'                                'CK 69035'
'TXXX:Mp3gain_minmax'                               '139,192'
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'TXXX:MusicBrainz Album Id'                         '4f931a2b-98eb-49bb-94b7-0ec62dcfe644'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e8414012-4a1c-4ad4-be5e-fc55294e28cc/b66771cc-45fa-4a32-b14f-5337d7223d7a'
'TXXX:MusicBrainz Release Group Id'                 '8691d12c-abd8-385c-b1eb-d841190124f7'
'TXXX:MusicBrainz Release Track Id'                 '2505b14f-b43a-3621-adf8-79726fe79a67'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'soul', 'hip hop']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.634473'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a13a1ca6-98cf-4303-811c-bebe7d243f6f')

========================== row from database ==========================
                                              'id'  1335056
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lauryn Hill/The Miseducation of Lauryn Hill/Lauryn Hill - Nothing Even Matters.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  350
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5724093
                                           'mtime'  1620570529
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic hip hop or rnb or rap or turntablism
                                      'tag_artist'  Lauryn Hill
                                     'tag_release'  The Miseducation of Lauryn Hill
                                       'tag_title'  Nothing Even Matters
                                             'bpm'  136.0
                                    'search_title'  'even':2 'matters':3 'nothing':1
                                   'search_artist'  'hill':2 'lauryn':1
                                  'search_release'  'hill':5 'lauryn':4 'miseducation':2 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'hip':2 'hop':3 'or':4 'rap':6 'rnb':5 'turntablism':7
                                    'search_combo'  '00poprockelectronic':11 'even':2A 'hill':5B,10C 'hip':12 'hop':13 'lauryn':4B,9C 'matters':3A 'miseducation':7C 'nothing':1A 'of':8C 'or':14 'rap':16 'rnb':15 'the':6C 'turntablism':17
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'soul', 'hip hop']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570529.3984115  (2021-05-09 16:28:49)
                             'size'  5724093