======================== unified (from filesystem) ========================
                                         'bitrate'  '181.656'
                                        'duration'  '157'
                                          'artist'  'Yuki Kajiura'
                                     'text_people'  ''
                                         'release'  'Fiction'
                                           'title'  'Fake Wings'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'japanese', 'anime', 'instrumental', 'j-pop']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '100'
                                             'key'  '7A'
                                        'acoustid'  'abefd272-2731-46a2-a5d9-fc570737d291'
rest: ''

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

'APIC:p. 1'                                         type PictureType.COVER_FRONT (Cover (front)) b'p. 1'
                                     
'TALB' (Album/Movie/Show title)                     'Fiction'
'TBPM' (BPM (beats per minute))                     '100'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-07-01'
'TIT2' (Title/songname/content description)         'Fake Wings'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Yuki Kajiura'
'TPE2' (Band/orchestra/accompaniment)               'Yuki Kajiura'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Pioneer'
'TRCK' (Track number/Position in set)               '3/11'
'TSO2'                                              'Kajiura, Yuki'
'TSOP' (Performer sort order)                       'Kajiura, Yuki'
'TSRC' (ISRC (international standard recording code))  'JPVI00318990'
'TXXX:Acoustid Id'                                  'abefd272-2731-46a2-a5d9-fc570737d291'
'TXXX:Artists'                                      'Yuki Kajiura'
'TXXX:BARCODE'                                      '013023520226'
'TXXX:CATALOGNUMBER'                                '5202-2'
'TXXX:MusicBrainz Album Artist Id'                  '67e344da-ec54-4e26-b2a4-8351d744a14c'
'TXXX:MusicBrainz Album Id'                         '67a043ba-89aa-4e29-8eb6-b3e7ef74006a'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '67e344da-ec54-4e26-b2a4-8351d744a14c'
'TXXX:MusicBrainz Release Group Id'                 '41149b3c-55ea-3b19-9374-d497dc368aba'
'TXXX:MusicBrainz Release Track Id'                 'bf30bf4f-628a-4166-848b-bf8c0ca65f53'
'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'                                       'Latn'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['soundtrack', 'japanese', 'anime', 'instrumental', 'j-pop']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.657487'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e369aa16-2042-46ab-a493-6a0cdb07c0ee')

========================== row from database ==========================
                                              'id'  923159
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Yuki Kajiura/Fiction/MBZ;#Yuki Kajiura;#Fiction;#2003-08-06;#03;#Fake Wings.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  157
                                           'genre'  soundtrack-video-series
                                        'filesize'  3653322
                                           'mtime'  1621490046
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia MBZ;#Yuki Kajiura;#Fiction;#2003 08 06;#03;#Fake soundtrack video series
                                      'tag_artist'  Yuki Kajiura
                                     'tag_release'  Fiction
                                       'tag_title'  Fake Wings
                                             'bpm'  100.0
                                    'search_title'  'fake':1 'wings':2
                                   'search_artist'  'kajiura':2 'yuki':1
                                  'search_release'  'fiction':1
                                     'search_rest'  '00asia':1 '03':13,16 '06':12,15 '2003':8,11 'fake':14,17 'fiction':7,10 'kajiura':6,9 'mbz':2,4 'series':20 'soundtrack':18 'video':19 'yuki':3,5
                                    'search_combo'  '00asia':6 '03':18,21 '06':17,20 '2003':13,16 'fake':1A,19,22 'fiction':5C,12,15 'kajiura':4B,11,14 'mbz':7,9 'series':25 'soundtrack':23 'video':24 'wings':2A 'yuki':3B,8,10
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'japanese', 'anime', 'instrumental', 'j-pop']
                                        'tag_date'  2003
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621490046.4778361  (2021-05-20 07:54:06)
                             'size'  3653322