======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '341'
                                          'artist'  'Drudkh'
                                     'text_people'  ''
                                         'release'  'Autumn Aurora'
                                           'title'  'Summoning the Rain'
                                           '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['folk metal', 'pagan metal', 'black metal', 'atmospheric black metal', "
 "'ukrainian']")
                                     'discogstags'  "['rock', 'black metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '108.1'
                                             'key'  '12B'
                                        'acoustid'  '696efe86-5fb8-470c-8e01-0480f340e5bb'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Autumn Aurora'
'TBPM' (BPM (beats per minute))                     '108.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2009-11-16'
'TIT2' (Title/songname/content description)         'Summoning the Rain'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Drudkh'
'TPE2' (Band/orchestra/accompaniment)               'Drudkh'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Season of Mist Underground Activists'
'TRCK' (Track number/Position in set)               '2/6'
'TSO2'                                              'Drudkh'
'TSOP' (Performer sort order)                       'Drudkh'
'TXXX:ASIN'                                         'B002QZPVAG'
'TXXX:Acoustid Id'                                  '696efe86-5fb8-470c-8e01-0480f340e5bb'
'TXXX:BARCODE'                                      '822603181128'
'TXXX:CATALOGNUMBER'                                'SUA 011'
'TXXX:MusicBrainz Album Artist Id'                  '469eb232-7163-47a8-96a3-8c82d24b2888'
'TXXX:MusicBrainz Album Id'                         '3d0bbe09-4ee7-4d54-a9aa-3acbad6b453d'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '469eb232-7163-47a8-96a3-8c82d24b2888'
'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', 'black metal']
'TXXX:lastfmtags'                                   ['folk metal',
 'pagan metal',
 'black metal',
 'atmospheric black metal',
 'ukrainian']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.616730'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7b49d248-7649-41f7-bf5b-949e123fb99c')

========================== row from database ==========================
                                              'id'  1402298
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Drudkh - 2004 - Autumn Aurora/02 - Summoning The Rain.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  341
                                           'genre'  eid-metal-black
                                        'filesize'  13660911
                                           'mtime'  1620301646
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2004 02 The eid metal black
                                      'tag_artist'  Drudkh
                                     'tag_release'  Autumn Aurora
                                       'tag_title'  Summoning the Rain
                                             'bpm'  108.1
                                    'search_title'  'rain':3 'summoning':1 'the':2
                                   'search_artist'  'drudkh':1
                                  'search_release'  'aurora':2 'autumn':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2004':3 'black':7 'eid':5 'metal':6 'the':4
                                    'search_combo'  '00dwimp':7 '00metal':8 '2004':9 'aurora':6C 'autumn':5C 'black':13 'drudkh':4B 'eid':11 'metal':12 'rain':3A 'summoning':1A 'the':2A,10
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['folk metal', 'pagan metal', 'black metal', 'atmospheric black metal', 'ukrainian']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'black metal']

============================== file details ==============================
                                           'mtime'  1620301646.1146624  (2021-05-06 13:47:26)
                             'size'  13660911