======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '981'
                                          'artist'  'Fela Kuti'
                                     'text_people'  'Fela Kuti'
                                         'release'  'Live!'
                                           'title'  'Ginger Baker & Tony Allen Drum Solo'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
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 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dommages collateraux', 'maria farantouri']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  '05'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'loc-africa-nigeria'
                                             'bpm'  '144.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Live!'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCOM' (Composer)                                   'Fela Kuti'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-nigeria'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Ginger Baker & Tony Allen Drum Solo'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fela Kuti'
'TPE2' (Band/orchestra/accompaniment)               'Fela Kuti'
'TPUB' (Publisher)                                  'Mca'
'TRCK' (Track number/Position in set)               '05/05'
'TSO2'                                              'Kuti, Fela'
'TSOP' (Performer sort order)                       'Kuti, Fela'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['dommages collateraux', 'maria farantouri']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.599459'

========================== row from database ==========================
                                              'id'  1476720
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Fela Kuti/1971 - Live!/05 - Ginger Baker & Tony Allen Drum Solo.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  981
                                           'genre'  loc-africa-nigeria
                                        'filesize'  15713780
                                           'mtime'  1621629079
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 1971 05 loc africa nigeria
                                      'tag_artist'  Fela Kuti
                                     'tag_release'  Live!
                                       'tag_title'  Ginger Baker & Tony Allen Drum Solo
                                             'bpm'  144.3
                                    'search_title'  'allen':4 'baker':2 'drum':5 'ginger':1 'solo':6 'tony':3
                                   'search_artist'  'fela':1 'kuti':2
                                  'search_release'  'live':1
                                     'search_rest'  '00africa':1 '1971':2 'africa':4 'loc':3 'nigeria':5
                                    'search_combo'  '00africa':10 '1971':11 'africa':13 'allen':4A 'baker':2A 'drum':5A 'fela':7B 'ginger':1A 'kuti':8B 'live':9C 'loc':12 'nigeria':14 'solo':6A 'tony':3A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dommages collateraux', 'maria farantouri']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629078.994473  (2021-05-21 22:31:18)
                             'size'  15713780