======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '268'
                                          'artist'  'Immortal'
                                     'text_people'  ''
                                         'release'  'Diabolical Fullmoon Mysticism'
                                           'title'  'Unholy Forces of Evil'
                                           '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-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'true norwegian black metal', 'black metal', 'norwegian black "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '140.1'
                                             'key'  '10A'
                                        'acoustid'  '1509bec9-524c-4791-a564-ba9ed671bf71'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Diabolical Fullmoon Mysticism'
'TBPM' (BPM (beats per minute))                     '140.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992-07-01'
'TIT2' (Title/songname/content description)         'Unholy Forces of Evil'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Immortal'
'TPE2' (Band/orchestra/accompaniment)               'Immortal'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Osmose Productions'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'Immortal'
'TSOP' (Performer sort order)                       'Immortal'
'TXXX:Acoustid Id'                                  '1509bec9-524c-4791-a564-ba9ed671bf71'
'TXXX:CATALOGNUMBER'                                'OPLP 007'
'TXXX:MusicBrainz Album Artist Id'                  'b863cf80-19c6-4a87-8e42-6cff7ac8f18f'
'TXXX:MusicBrainz Album Id'                         'a63c5385-ed8d-33e9-8007-9458b663b817'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b863cf80-19c6-4a87-8e42-6cff7ac8f18f'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['norwegian',
 'true norwegian black metal',
 'black metal',
 'norwegian black metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.598630'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9bbbd813-a1a0-4ac3-924e-6e4fedc9e362')

========================== row from database ==========================
                                              'id'  1391559
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Immortal - 1992 Diabolical Fullmoon Mysticism/03. Unholy Forces of Evil.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  268
                                           'genre'  eid-metal-black
                                        'filesize'  10737305
                                           'mtime'  1620301700
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 1992 03. eid metal black
                                      'tag_artist'  Immortal
                                     'tag_release'  Diabolical Fullmoon Mysticism
                                       'tag_title'  Unholy Forces of Evil
                                             'bpm'  140.1
                                    'search_title'  'evil':4 'forces':2 'of':3 'unholy':1
                                   'search_artist'  'immortal':1
                                  'search_release'  'diabolical':1 'fullmoon':2 'mysticism':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '03':4,5 '1992':3 'black':8 'eid':6 'metal':7
                                    'search_combo'  '00dwimp':9 '00metal':10 '03':12,13 '1992':11 'black':16 'diabolical':6C 'eid':14 'evil':4A 'forces':2A 'fullmoon':7C 'immortal':5B 'metal':15 'mysticism':8C 'of':3A 'unholy':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['norwegian', 'true norwegian black metal', 'black metal', 'norwegian black metal']
                                        'tag_date'  1992
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301700.2271776  (2021-05-06 13:48:20)
                             'size'  10737305