======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '267'
                                          'artist'  'Виктор Цой'
                                     'text_people'  ''
                                         'release'  'Печаль'
                                           'title'  'Электричка'
                                           'quals'  ("['Q-PLAY-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'q-bass-4', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '86.3'
                                             'key'  '9A'
                                        'acoustid'  '7028096b-a016-4e60-bd4e-5462e2c9bded'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Печаль'
'TBPM' (BPM (beats per minute))                     '86.3'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Электричка'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Виктор Цой'
'TPE2' (Band/orchestra/accompaniment)               'Виктор Цой'
'TPE4' (Interpreted, remixed, or otherwise modified by)  'Рикошет'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Квадро-Диск'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Tsoy, Viktor'
'TSOP' (Performer sort order)                       'Tsoy, Viktor'
'TXXX:ARTISTS'                                      'Виктор Цой'
'TXXX:Acoustid Id'                                  '7028096b-a016-4e60-bd4e-5462e2c9bded'
'TXXX:BARCODE'                                      '4606344000551'
'TXXX:CATALOGNUMBER'                                'RS 707'
'TXXX:MusicBrainz Album Artist Id'                  '7da030e4-3b08-4e29-b497-344d809589fd'
'TXXX:MusicBrainz Album Id'                         '5f37bd17-ae2a-419c-b12f-efc98ffc2f6b'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        '7da030e4-3b08-4e29-b497-344d809589fd'
'TXXX:MusicBrainz Release Group Id'                 'de4c2374-a0fa-4a6c-8c54-4c831880017c'
'TXXX:MusicBrainz Release Track Id'                 '8daa363b-eeed-3a8a-8fa2-696b7008a1d7'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:SCRIPT'                                       'Cyrl'
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ab15715d-fd46-49ab-b60e-7af839ca73e7')

========================== row from database ==========================
                                              'id'  1540303
                                            'path'  /data/Music/Bulk/Unsorted/2000 - Печаль/Электричка.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  267
                                           'genre'  
                                        'filesize'  4359772
                                           'mtime'  1695907287
                                   'redo_metaread'  0
                                        'rest_str'   Unsorted 2000
                                      'tag_artist'  Виктор Цой
                                     'tag_release'  Печаль
                                       'tag_title'  Электричка
                                             'bpm'  86.3
                                    'search_title'  'elektrichka':2 'электричка':1
                                   'search_artist'  'coi':4 'viktor':2 'виктор':1 'цои':3
                                  'search_release'  'pechal':2,3 'печаль':1
                                     'search_rest'  '2000':2 'unsorted':1
                                    'search_combo'  '2000':11 'coi':6B 'elektrichka':2A 'pechal':8C,9C 'unsorted':10 'viktor':4B 'виктор':3B 'печаль':7C 'цои':5B 'электричка':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-PLAY-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695907287.0959415  (2023-09-28 15:21:27)
                             'size'  4359772