======================== unified (from filesystem) ========================
                                         'bitrate'  '243.514'
                                        'duration'  '280'
                                          'artist'  'Isis'
                                     'text_people'  ''
                                         'release'  'The Red Sea'
                                           'title'  'Ochre'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '7'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '115.9'
                                             'key'  '9B'
                                        'acoustid'  '5cacab89-3a78-4bb3-9028-49cf3b79a035'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000AFE 00000873 00003120 00002FFA 0000C27D 00030D05 000081CC 0000851C '
 '00005F00 00011249')
'COMM:iTunes_CDDB_IDs:eng'                          '7+1F5DE1C8C648A6DF6BB832547FCD894B+263996'
'TALB' (Album/Movie/Show title)                     'The Red Sea'
'TBPM' (BPM (beats per minute))                     '115.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'Ochre'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Isis'
'TPE2' (Band/orchestra/accompaniment)               'Isis'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Second Nature'
'TRCK' (Track number/Position in set)               '6/7'
'TSO2'                                              'Isis'
'TSOP' (Performer sort order)                       'Isis'
'TXXX:ASIN'                                         'B000065T0Z'
'TXXX:Acoustid Id'                                  '5cacab89-3a78-4bb3-9028-49cf3b79a035'
'TXXX:BARCODE'                                      '822575001424'
'TXXX:CATALOGNUMBER'                                'SN014'
'TXXX:MusicBrainz Album Artist Id'                  '5e521e8c-0ab2-44c4-8fd8-14d8d3321265'
'TXXX:MusicBrainz Album Id'                         'bfab7e90-c67b-433b-a365-a5c2fe4e31af'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '5e521e8c-0ab2-44c4-8fd8-14d8d3321265'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.521759'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b5508fad-7a74-4d61-bcc2-5c60c7778dbc')

========================== row from database ==========================
                                              'id'  1391037
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Isis/The Red Sea/06 ochre.mp3
                                         'working'  None
                                         'bitrate'  243
                                    'duration_sec'  280
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  8588266
                                           'mtime'  1620310862
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 06 ochre eid metal sludge or grind
                                      'tag_artist'  Isis
                                     'tag_release'  The Red Sea
                                       'tag_title'  Ochre
                                             'bpm'  115.9
                                    'search_title'  'ochre':1
                                   'search_artist'  'isis':1
                                  'search_release'  'red':2 'sea':3 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':4 'grind':8 'metal':5 'ochre':3 'or':7 'sludge':6
                                    'search_combo'  '00dwimp':6 '00metal':7 'eid':9 'grind':13 'isis':2B 'metal':10 'ochre':1A,8 'or':12 'red':4C 'sea':5C 'sludge':11 'the':3C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310861.9389446  (2021-05-06 16:21:01)
                             'size'  8588266