======================== unified (from filesystem) ========================
                                         'bitrate'  '261.771'
                                        'duration'  '317'
                                          'artist'  'Крода'
                                     'text_people'  ''
                                         'release'  'Towards the Firmaments Verge of Life...'
                                           'title'  'How Steel Was Singing Through Flames of Fire'
                                           '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-4', 'q-other-3', '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'  '6'
                                      'tracktotal'  '9'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '129.5'
                                             'key'  '6A'
                                        'acoustid'  '61b7facd-5305-45b0-ae0b-e16aad4ccb17'
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))                     '129.5'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'How Steel Was Singing Through Flames of Fire'
'TKEY' (Initial key)                                '6A'
'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)               '6/9'
'TSO2'                                              'Kroda'
'TSOP' (Performer sort order)                       'Kroda'
'TXXX:Acoustid Id'                                  '61b7facd-5305-45b0-ae0b-e16aad4ccb17'
'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'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.07 dB'
'TXXX:replaygain_track_peak'                        '0.334108'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c88491de-5961-4b95-94c9-a258559b0431')

========================== row from database ==========================
                                              'id'  1399656
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Крода - kroda-towards_the_firmaments_verge_of_life-cd-2005-qtxmp3/06-kroda-how_steel_was_singing_through_the_flames_of_fire-qtxmp3.mp3
                                         'working'  None
                                         'bitrate'  261
                                    'duration_sec'  317
                                           'genre'  eid-metal-black
                                        'filesize'  10388707
                                           'mtime'  1620301850
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal kroda towards_the_firmaments_verge_of_life cd 2005 qtxmp3 06 kroda how_steel_was_singing_through_the_flames_of_fire qtxmp3 eid metal black
                                      'tag_artist'  Крода
                                     'tag_release'  Towards the Firmaments Verge of Life...
                                       'tag_title'  How Steel Was Singing Through Flames of Fire
                                             'bpm'  129.5
                                    'search_title'  'fire':8 'flames':6 'how':1 'of':7 'singing':4 'steel':2 'through':5 'was':3
                                   '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':24 'cd':10 'eid':22 'fire':21 'firmaments':6 'flames':19 'how':13 'kroda':3 'life':9 'metal':23 'of':8,20 'qtxmp3':12 'singing':16 'steel':14 'the':5,18 'through':17 'towards':4 'verge':7 'was':15
                                    'search_combo'  '00dwimp':18 '00metal':19 '2005':28 'black':41 'cd':27 'eid':39 'fire':8A,38 'firmaments':13C,23 'flames':6A,36 'how':1A,30 'kroda':10B,20 'life':16C,17C,26 'metal':40 'of':7A,15C,25,37 'qtxmp3':29 'singing':4A,33 'steel':2A,31 'the':12C,22,35 'through':5A,34 'towards':11C,21 'verge':14C,24 'was':3A,32 'крода':9B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-3', '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'  1620301850.1037405  (2021-05-06 13:50:50)
                             'size'  10388707