======================== unified (from filesystem) ========================
                                         'bitrate'  '185.447'
                                        'duration'  '90'
                                          'artist'  'Крода'
                                     'text_people'  ''
                                         'release'  'Towards the Firmaments Verge of Life...'
                                           'title'  'Wrath'
                                           '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-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['black metal', 'pagan metal', 'folk metal', 'pagan black metal', 'nsbm', "
 "'ukrainian']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '9'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '124.9'
                                             'key'  '11A'
                                        'acoustid'  '770cca9a-ffbd-42ae-9dbe-ff06f83aa1e0'
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'QTXMp3!'
'TALB' (Album/Movie/Show title)                     'Towards the Firmaments Verge of Life...'
'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Wrath'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Крода'
'TPE2' (Band/orchestra/accompaniment)               'Крода'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ancient Nation'
'TRCK' (Track number/Position in set)               '9/9'
'TSO2'                                              'Kroda'
'TSOP' (Performer sort order)                       'Kroda'
'TXXX:Acoustid Id'                                  '770cca9a-ffbd-42ae-9dbe-ff06f83aa1e0'
'TXXX:MusicBrainz Album Artist Id'                  '52204673-0ed4-47c4-a82b-038938823d6b'
'TXXX:MusicBrainz Album Id'                         '9f833abe-b0f8-3717-b386-3ecf49550281'
'TXXX:MusicBrainz Album Release Country'            'UA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '52204673-0ed4-47c4-a82b-038938823d6b'
'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'                                   ['black metal',
 'pagan metal',
 'folk metal',
 'pagan black metal',
 'nsbm',
 'ukrainian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.444609'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'db37e118-0bcc-49eb-997a-d6f1a2e10710')

========================== row from database ==========================
                                              'id'  1390852
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Крода - kroda-towards_the_firmaments_verge_of_life-cd-2005-qtxmp3/09-kroda-wrath-qtxmp3.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  90
                                           'genre'  eid-metal-black
                                        'filesize'  2097652
                                           'mtime'  1620301856
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal kroda towards_the_firmaments_verge_of_life cd 2005 qtxmp3 09 kroda wrath qtxmp3 eid metal black
                                      'tag_artist'  Крода
                                     'tag_release'  Towards the Firmaments Verge of Life...
                                       'tag_title'  Wrath
                                             'bpm'  124.9
                                    'search_title'  'wrath':1
                                   'search_artist'  'kroda':2 'крода':1
                                  'search_release'  'firmaments':3 'life':6,7 'of':5 'the':2 'towards':1 'verge':4
                                     'search_rest'  '00dwimp':1 '00metal':2 '2005':11 'black':16 'cd':10 'eid':14 'firmaments':6 'kroda':3 'life':9 'metal':15 'of':8 'qtxmp3':12 'the':5 'towards':4 'verge':7 'wrath':13
                                    'search_combo'  '00dwimp':11 '00metal':12 '2005':21 'black':26 'cd':20 'eid':24 'firmaments':6C,16 'kroda':3B,13 'life':9C,10C,19 'metal':25 'of':8C,18 'qtxmp3':22 'the':5C,15 'towards':4C,14 'verge':7C,17 'wrath':1A,23 'крода':2B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11A
                                           '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-1', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['black metal', 'pagan metal', 'folk metal', 'pagan black metal', 'nsbm', 'ukrainian']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301855.689808  (2021-05-06 13:50:55)
                             'size'  2097652