======================== unified (from filesystem) ========================
                                         'bitrate'  '260.936'
                                        'duration'  '241'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'The Cult Is Alive'
                                           'title'  'Underdogs and Overlords'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  ("['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk "
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                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '143.416'
                                             'key'  '8A'
                                        'acoustid'  '1485e94b-1015-411f-923e-224e05fb0a1e'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Cult Is Alive'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-02-27'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Nocturno Culto'], ['mix', 'Nocturno Culto']])
'TIT2' (Title/songname/content description)         'Underdogs and Overlords'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkthrone'
'TPE2' (Band/orchestra/accompaniment)               'Darkthrone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Peaceville/Tyrant Syndicate'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Darkthrone'
'TSOP' (Performer sort order)                       'Darkthrone'
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'TXXX:Acoustid Id'                                  '1485e94b-1015-411f-923e-224e05fb0a1e'
'TXXX:BARCODE'                                      '801056813923'
'TXXX:CATALOGNUMBER'                                'CDVILEF132X'
'TXXX:MusicBrainz Album Artist Id'                  'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'TXXX:MusicBrainz Album Id'                         'c3d9c6c2-b1aa-4443-a8da-e637c376015b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'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'                                   ['norway',
 'black metal',
 'metal',
 'norwegian black metal',
 'blackened punk rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.242716'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c4a4721f-9aae-4b46-a3bc-03afa2b48420')

========================== row from database ==========================
                                              'id'  1398161
                                            'path'  /data/Music/Bulk/00dwimp/00metal/darkthrone - 2006 - the cult is alive/05 - Underdogs and Overlords.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  241
                                           'genre'  eid-metal-black
                                        'filesize'  7892673
                                           'mtime'  1620301832
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal darkthrone 2006 the cult is alive 05 eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  The Cult Is Alive
                                       'tag_title'  Underdogs and Overlords
                                             'bpm'  143.416
                                    'search_title'  'and':2 'overlords':3 'underdogs':1
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'alive':4 'cult':2 'is':3 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2006':4 'alive':8 'black':11 'cult':6 'darkthrone':3 'eid':9 'is':7 'metal':10 'the':5
                                    'search_combo'  '00dwimp':9 '00metal':10 '2006':12 'alive':8C,16 'and':2A 'black':19 'cult':6C,14 'darkthrone':4B,11 'eid':17 'is':7C,15 'metal':18 'overlords':3A 'the':5C,13 'underdogs':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301831.9076452  (2021-05-06 13:50:31)
                             'size'  7892673