======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '202'
                                          'artist'  ''
                                     'text_people'  'F. Denmaison/M. Larcange/M. Pruvot'
                                         'release'  'Mega Musette CD3'
                                           'title'  'Maurice Larcange - Brazil'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '114.028'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:`Zûô\x8bºSL\x8a\x8d\x86®øSØ£'  PRIV(owner='WM/WMCollectionID', data=b'`Z\xfb\xf4\x8b\xbaSL\x8a\x8d\x86\xae\xf8S\xd8\xa3')
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'TALB' (Album/Movie/Show title)                     'Mega Musette CD3'
'TBPM' (BPM (beats per minute))                     '114.028'
'TCOM' (Composer)                                   'F. Denmaison/M. Larcange/M. Pruvot'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Maurice Larcange - Brazil'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Wagram Records'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+3.45 dB'
'TXXX:replaygain_track_peak'                        '0.349114'

========================== row from database ==========================
                                              'id'  935433
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Accordeón alegre/14. Maurice Larcange - Brazil.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  202
                                           'genre'  mi-accordeon
                                        'filesize'  3247981
                                           'mtime'  1620528237
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Accordeón alegre 14. mi accordeon
                                      'tag_artist'  None
                                     'tag_release'  Mega Musette CD3
                                       'tag_title'  Maurice Larcange - Brazil
                                             'bpm'  114.028
                                    'search_title'  'brazil':3 'larcange':2 'maurice':1
                                   'search_artist'  None
                                  'search_release'  'cd3':3 'mega':1 'musette':2
                                     'search_rest'  '00french':4 '00mid':1 '14':8,9 'accordeon':5,6 'alegre':7 'europe':3 'mi':10 'north':2
                                    'search_combo'  '00french':10 '00mid':7 '14':14,15 'accordeon':11,12 'alegre':13 'brazil':3A 'cd3':6C 'europe':9 'larcange':2A 'maurice':1A 'mega':4C 'mi':16 'musette':5C 'north':8
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528236.9556725  (2021-05-09 04:43:56)
                             'size'  3247981