======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '188'
                                          'artist'  'Soul Coughing'
                                     'text_people'  ''
                                         'release'  'El Oso'
                                           'title'  'Circles'
                                           '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-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'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'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '102.592'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000008A8 000008E4 00002355'
'COMM:iTunNORM:eng'                                 (' 000008A8 000008E4 00002355 0000210F 00007547 0000755E 00008000 00008000 '
 '00007530 00007530')
'TALB' (Album/Movie/Show title)                     'El Oso'
'TBPM' (BPM (beats per minute))                     '102.592'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Circles'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Soul Coughing'
'TPE2' (Band/orchestra/accompaniment)               'Soul Coughing'
'TRCK' (Track number/Position in set)               '3'
'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'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.10 dB'
'TXXX:replaygain_track_peak'                        '0.548907'

========================== row from database ==========================
                                              'id'  1379014
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Soul Coughing/[1998] El Oso/03 Circles.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  188
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3095552
                                           'mtime'  1621697167
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock [1998] 03 ifs songwriter indie rock
                                      'tag_artist'  Soul Coughing
                                     'tag_release'  El Oso
                                       'tag_title'  Circles
                                             'bpm'  102.592
                                    'search_title'  'circles':1
                                   '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':6 '1998':9,10 'circles':1A 'coughing':3B 'el':4C 'ifs':11 'indie':13 'indierock':8 'oso':5C 'poprock':7 'rock':14 'songwriter':12 'soul':2B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', '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'  1621697167.1128583  (2021-05-22 17:26:07)
                             'size'  3095552