======================== unified (from filesystem) ========================
                                         'bitrate'  '220.683'
                                        'duration'  '283'
                                          'artist'  'IOSYS'
                                     'text_people'  ''
                                         'release'  '東方乙女囃子'
                                           'title'  '惑いて来たれ、遊惰な神隠し ~ Border of Death'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['doujin', 'touhou', 'electronic', 'japanese', 'j core']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'j-pop', 'idm', 'hard trance', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '106.4'
                                             'key'  '3A'
                                        'acoustid'  'ce37ed58-fd85-4cbd-a816-d60de8a6050f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '東方乙女囃子'
'TBPM' (BPM (beats per minute))                     '106.4'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-08-13'
'TIT2' (Title/songname/content description)         '惑いて来たれ、遊惰な神隠し ~ Border of Death'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'IOSYS'
'TPE2' (Band/orchestra/accompaniment)               'IOSYS'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'IOSYS'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'IOSYS'
'TSOP' (Performer sort order)                       'IOSYS'
'TXXX:ASIN'                                         '4902969610'
'TXXX:Acoustid Id'                                  'ce37ed58-fd85-4cbd-a816-d60de8a6050f'
'TXXX:Artists'                                      'IOSYS'
'TXXX:BARCODE'                                      '4582209170204'
'TXXX:CATALOGNUMBER'                                'IO-0100'
'TXXX:MusicBrainz Album Artist Id'                  '9a4cafe7-3349-404b-a268-780e911d1801'
'TXXX:MusicBrainz Album Id'                         '3e95b0e1-a2df-46f3-9b15-84cd48322902'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9a4cafe7-3349-404b-a268-780e911d1801'
'TXXX:MusicBrainz Release Group Id'                 '3a441a12-12f9-3e50-b30b-8869e77d282c'
'TXXX:MusicBrainz Release Track Id'                 '6da22147-fb5f-3fd0-bd4b-aa17f062f75b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:discogstags'                                  ['electronic', 'rock', 'pop', 'j-pop', 'idm', 'hard trance', 'indie rock']
'TXXX:lastfmtags'                                   ['doujin', 'touhou', 'electronic', 'japanese', 'j core']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.337019'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e32054d-86e7-4a80-b501-ebe7c0f383c9')

========================== row from database ==========================
                                              'id'  927955
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/IOSYS/IOSYS - Bewildering Impending Spiriting Away ~ Border of Death.mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  283
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  7913902
                                           'mtime'  1622821755
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Bewildering Impending Spiriting Away loc asia japan;loc asia japan jpop
                                      'tag_artist'  IOSYS
                                     'tag_release'  東方乙女囃子
                                       'tag_title'  惑いて来たれ、遊惰な神隠し ~ Border of Death
                                             'bpm'  106.4
                                    'search_title'  'border':6 'death':8 'of':7 '惑ite来tare':3,4 '惑いて来たれ':1 '遊惰na神隠si':5 '遊惰な神隠し':2
                                   'search_artist'  'iosys':1
                                  'search_release'  '東方乙女囃子':1
                                     'search_rest'  '00asia':1 'asia':7 'away':5 'bewildering':2 'impending':3 'japan':8,10,12 'jpop':13 'loc':6,9,11 'spiriting':4
                                    'search_combo'  '00asia':11 'asia':17 'away':15 'bewildering':12 'border':6A 'death':8A 'impending':13 'iosys':9B 'japan':18,20,22 'jpop':23 'loc':16,19,21 'of':7A 'spiriting':14 '惑ite来tare':3A,4A '惑いて来たれ':1A '東方乙女囃子':10C '遊惰na神隠si':5A '遊惰な神隠し':2A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['doujin', 'touhou', 'electronic', 'japanese', 'j core']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'pop', 'j-pop', 'idm', 'hard trance', 'indie rock']

============================== file details ==============================
                                           'mtime'  1622821755.1165872  (2021-06-04 17:49:15)
                             'size'  7913902