======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '207'
                                          'artist'  'Soul Coughing'
                                     'text_people'  ''
                                         'release'  'El Oso'
                                           'title'  'Fully Retractable'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'jazz', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'future jazz', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '120.113'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000005DD 00000583 0000287B'
'COMM:iTunNORM:eng'                                 (' 000005DD 00000583 0000287B 00001C52 00024A07 00009C85 00008000 00007D3C '
 '00009C85 00009C85')
'TALB' (Album/Movie/Show title)                     'El Oso'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Fully Retractable'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Soul Coughing'
'TPE2' (Band/orchestra/accompaniment)               'Soul Coughing'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'alternative rock', 'future jazz', 'drum n bass']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'jazz', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.81 dB'
'TXXX:replaygain_track_peak'                        '0.543919'

========================== row from database ==========================
                                              'id'  1367266
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Soul Coughing/[1998] El Oso/09 Fully Retractable.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  207
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3396911
                                           'mtime'  1621697172
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock [1998] 09 ifs songwriter indie rock
                                      'tag_artist'  Soul Coughing
                                     'tag_release'  El Oso
                                       'tag_title'  Fully Retractable
                                             'bpm'  120.113
                                    'search_title'  'fully':1 'retractable':2
                                   'search_artist'  'coughing':2 'soul':1
                                  'search_release'  'el':1 'oso':2
                                     'search_rest'  '00poprockelectronic':1 '1998':4,5 'ifs':6 'indie':8 'indierock':3 'poprock':2 'rock':9 'songwriter':7
                                    'search_combo'  '00poprockelectronic':7 '1998':10,11 'coughing':4B 'el':5C 'fully':1A 'ifs':12 'indie':14 'indierock':9 'oso':6C 'poprock':8 'retractable':2A 'rock':15 'songwriter':13 'soul':3B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'jazz', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'future jazz', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621697172.4793963  (2021-05-22 17:26:12)
                             'size'  3396911