======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '321'
                                          'artist'  'Bad Sector'
                                     'text_people'  ''
                                         'release'  'Cephus'
                                           'title'  'Austen'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-1', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'industrial', 'noise', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '107.1'
                                             'key'  '11B'
                                        'acoustid'  'c49ba151-b675-42ff-91f5-647786a475ae'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cephus'
'TBPM' (BPM (beats per minute))                     '107.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Austen'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bad Sector'
'TPE2' (Band/orchestra/accompaniment)               'Bad Sector'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Bad Sector'
'TSOP' (Performer sort order)                       'Bad Sector'
'TXXX:Acoustid Id'                                  'c49ba151-b675-42ff-91f5-647786a475ae'
'TXXX:Artists'                                      'Bad Sector'
'TXXX:CATALOGNUMBER'                                'BS 01-2015'
'TXXX:MusicBrainz Album Artist Id'                  '5385e21a-7714-4b04-8b69-fb5004e62462'
'TXXX:MusicBrainz Album Id'                         'bf9d6827-1c5a-4058-90ce-ae41c946431f'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5385e21a-7714-4b04-8b69-fb5004e62462'
'TXXX:MusicBrainz Release Group Id'                 '02ee560f-228c-494d-89ab-da37d75ef832'
'TXXX:MusicBrainz Release Track Id'                 '2129bdba-e311-40e5-a0c3-a40bcce11428'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dark ambient', 'industrial', 'noise', 'experimental', 'ambient']
'TXXX:originalyear'                                 '2015'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.431059'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c3238695-aac4-4693-8d3a-5385d3c4ef03')

========================== row from database ==========================
                                              'id'  400861
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bad Sector/Austen.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  321
                                           'genre'  electronic-ambient-dark
                                        'filesize'  12898382
                                           'mtime'  1636909886
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic ambient dark
                                      'tag_artist'  Bad Sector
                                     'tag_release'  Cephus
                                       'tag_title'  Austen
                                             'bpm'  107.1
                                    'search_title'  'austen':1
                                   'search_artist'  'bad':1 'sector':2
                                  'search_release'  'cephus':1
                                     'search_rest'  'ambient':2 'dark':3 'electronic':1
                                    'search_combo'  'ambient':6 'austen':1A 'bad':2B 'cephus':4C 'dark':7 'electronic':5 'sector':3B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           '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-1', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['dark ambient', 'industrial', 'noise', 'experimental', 'ambient']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636909885.734828  (2021-11-14 18:11:25)
                             'size'  12898382