======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Ringo Sheena'
                                     'text_people'  ''
                                         'release'  'モーラ'
                                           'title'  '月に負け犬'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '133.053'
                                             'key'  '8A'
                                        'acoustid'  'd7c3e4a7-6512-4bf7-84f6-25d1a347d05b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000028D2 000045B5 00007D1C'
'COMM:iTunNORM:eng'                                 (' 000028D2 000045B5 00007D1C 0000C236 00027117 0002BF4E 00008000 00008000 '
 '00004E37 00004E4E')
'TALB' (Album/Movie/Show title)                     'モーラ'
'TBPM' (BPM (beats per minute))                     '133.053'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted']
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-11-25'
'TIT2' (Title/songname/content description)         '月に負け犬'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'DVD-Audio'
'TPE1' (Lead performer(s)/Soloist(s))               'Ringo Sheena'
'TPE2' (Band/orchestra/accompaniment)               'Ringo Sheena'
'TPOS' (Part of a set)                              '2/6'
'TPUB' (Publisher)                                  '東芝EMI 株式会社'
'TRCK' (Track number/Position in set)               '9/14'
'TSO2'                                              'Sheena, Ringo'
'TSOP' (Performer sort order)                       'Sheena, Ringo'
'TSRC' (ISRC (international standard recording code))  'JPTO09923970'
'TSST' (Set subtitle)                               '勝訴ストリップ'
'TXXX:Acoustid Id'                                  'd7c3e4a7-6512-4bf7-84f6-25d1a347d05b'
'TXXX:Artists'                                      'Ringo Sheena'
'TXXX:CATALOGNUMBER'                                'TOBF-5601~5606'
'TXXX:MusicBrainz Album Artist Id'                  '9e414497-23b7-4ab7-9ec6-8ea9864c9e87'
'TXXX:MusicBrainz Album Id'                         'ba9bebc0-51d8-46be-a308-9878d047458d'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '9e414497-23b7-4ab7-9ec6-8ea9864c9e87'
'TXXX:MusicBrainz Release Group Id'                 'ad982b50-e8a6-484a-82c4-a8b39d5ad0c5'
'TXXX:MusicBrainz Release Track Id'                 '4dd885e7-4ca0-4895-b9f9-843972919a3f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Qaaa'
'TXXX:lastfmtags'                                   ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.314991'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'460849ab-d44b-4981-8ac4-de8b82f82a1e')

========================== row from database ==========================
                                              'id'  923289
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/椎名林檎/[2000] 勝訴ストリップ/09 月に負け犬.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  6153874
                                           'mtime'  1620540429
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 椎名林檎 [2000] 勝訴ストリップ 09 loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  Ringo Sheena
                                     'tag_release'  モーラ
                                       'tag_title'  月に負け犬
                                             'bpm'  133.053
                                    'search_title'  '月ni負ke犬':2 '月に負け犬':1
                                   'search_artist'  'ringo':1 'sheena':2
                                  'search_release'  'mora':2 'モーラ':1
                                     'search_rest'  '00asia':1 '2000':3,4 'asia':8 'japan':9,15,17 'jazz':20 'jb':19 'jrock':10 'loc':7,12,14 'prerock':16,18 'shibuyakei':11,13 'unsorted':21 '勝訴sutorituhu':6 '勝訴ストリップ':5 '椎名林檎':2
                                    'search_combo'  '00asia':7 '2000':9,10 'asia':14 'japan':15,21,23 'jazz':26 'jb':25 'jrock':16 'loc':13,18,20 'mora':6C 'prerock':22,24 'ringo':3B 'sheena':4B 'shibuyakei':17,19 'unsorted':27 'モーラ':5C '勝訴sutorituhu':12 '勝訴ストリップ':11 '月ni負ke犬':2A '月に負け犬':1A '椎名林檎':8
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540428.74505  (2021-05-09 08:07:08)
                             'size'  6153874