======================== unified (from filesystem) ========================
                                         'bitrate'  '262.611'
                                        'duration'  '403'
                                          'artist'  'Ashbringer'
                                     'text_people'  ''
                                         'release'  'Ykgen'
                                           'title'  'Ykgen'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['american', 'black metal', 'atmospheric black metal', 'usa']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '122.363'
                                             'key'  '7A'
                                        'acoustid'  '6738fd7e-f3af-445a-b791-1a2e084f6804'
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Ykgen'
'TBPM' (BPM (beats per minute))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Ykgen'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ashbringer'
'TPE2' (Band/orchestra/accompaniment)               'Ashbringer'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Avantgarde Music'
'TRCK' (Track number/Position in set)               '6/8'
'TSO2'                                              'Ashbringer'
'TSOP' (Performer sort order)                       'Ashbringer'
'TXXX:Acoustid Id'                                  '6738fd7e-f3af-445a-b791-1a2e084f6804'
'TXXX:MusicBrainz Album Artist Id'                  '2abc7573-ca8f-4cdc-ab76-465116c0930d'
'TXXX:MusicBrainz Album Id'                         'ef6fbec5-5ad5-40dd-a9d5-004758952e5e'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2abc7573-ca8f-4cdc-ab76-465116c0930d'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['american', 'black metal', 'atmospheric black metal', 'usa']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.374184'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4857e8f6-3e33-449b-9852-8c7870965a7c')
'USLT:None:eng'                                     ('Life begins anew\r\n'
 'In infinite vastness\r\n'
 'Abundant energy\r\n'
 'Eternal meditation\r\n'
 '\r\n'
 'Life ceases\r\n'
 'Time halts\r\n'
 'Earth and sky merge\r\n'
 'Becoming transparent\r\n'
 '\r\n'
 'Temporal transcendence\r\n'
 'Immortal embodiment\r\n'
 'In tranquility\r\n'
 'Dreams become reality')

========================== row from database ==========================
                                              'id'  1398394
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Ashbringer – Yūgen/Ashbringer - Yūgen - 06 Yūgen.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  403
                                           'genre'  eid-metal-black
                                        'filesize'  13522046
                                           'mtime'  1620301374
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal – Yūgen Yūgen 06 Yūgen eid metal black
                                      'tag_artist'  Ashbringer
                                     'tag_release'  Ykgen
                                       'tag_title'  Ykgen
                                             'bpm'  122.363
                                    'search_title'  'ykgen':1
                                   'search_artist'  'ashbringer':1
                                  'search_release'  'ykgen':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':7 'eid':5 'metal':6 'yugen':3,4
                                    'search_combo'  '00dwimp':4 '00metal':5 'ashbringer':2B 'black':10 'eid':8 'metal':9 'ykgen':1A,3C 'yugen':6,7
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7A
                                           '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-4', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['american', 'black metal', 'atmospheric black metal', 'usa']
                                        'tag_date'  2016
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301374.134141  (2021-05-06 13:42:54)
                             'size'  13522046