======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '321'
                                          'artist'  'Orchestra Baobab'
                                     'text_people'  ''
                                         'release'  'Specialist In All Styles'
                                           'title'  'Ndongoy Daara'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'senegal', 'africa', 'world music', 'african']"
                                     'discogstags'  "['jazz', 'latin', 'folk, world, & country', 'afro-cuban jazz', 'afro-cuban']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-africa-senegal'
                                             'bpm'  '86.401'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Specialist In All Styles'
'TBPM' (BPM (beats per minute))                     '86.401'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-senegal'
'TDEN' (Encoding time)                              '2008-03-19 20:18:04'
'TDRC' (Recording time)                             '2002'
'TDTG' (Tagging time)                               '2008-03-19 20:18:04'
'TENC' (Encoded by)                                 'LAME 3.97 (Max 0.7.1)'
'TIT2' (Title/songname/content description)         'Ndongoy Daara'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '848548992'
'TPE1' (Lead performer(s)/Soloist(s))               'Orchestra Baobab'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['jazz', 'latin', 'folk, world, & country', 'afro-cuban jazz', 'afro-cuban']
'TXXX:lastfmtags'                                   ['world', 'senegal', 'africa', 'world music', 'african']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.522007'

========================== row from database ==========================
                                              'id'  1398442
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Orchestra Baobab - (2002) Specialist In All Styles/05 Ndongoy Daara.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  321
                                           'genre'  loc-africa-senegal
                                        'filesize'  13114962
                                           'mtime'  1621629084
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa (2002) 05 loc africa senegal
                                      'tag_artist'  Orchestra Baobab
                                     'tag_release'  Specialist In All Styles
                                       'tag_title'  Ndongoy Daara
                                             'bpm'  86.401
                                    'search_title'  'daara':2 'ndongoy':1
                                   'search_artist'  'baobab':2 'orchestra':1
                                  'search_release'  'all':3 'in':2 'specialist':1 'styles':4
                                     'search_rest'  '00africa':1 '2002':2,3 'africa':5 'loc':4 'senegal':6
                                    'search_combo'  '00africa':9 '2002':10,11 'africa':13 'all':7C 'baobab':4B 'daara':2A 'in':6C 'loc':12 'ndongoy':1A 'orchestra':3B 'senegal':14 'specialist':5C 'styles':8C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['world', 'senegal', 'africa', 'world music', 'african']
                                        'tag_date'  2002
                                     'discogstags'  ['jazz', 'latin', 'folk, world, & country', 'afro-cuban jazz', 'afro-cuban']

============================== file details ==============================
                                           'mtime'  1621629083.6194854  (2021-05-21 22:31:23)
                             'size'  13114962