======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '277'
                                          'artist'  'Shuuji to Akira'
                                     'text_people'  ''
                                         'release'  '青春アミーゴ'
                                           'title'  '青春アミーゴ'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j-pop', 'japanese', 'johnnys entertainment', 'male vocalists', 'jpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '134'
                                             'key'  '5B'
                                        'acoustid'  '9c0b09f3-f8d7-4b0e-af27-de10138c991f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001788 00001664 00004DC7'
'COMM:iTunNORM:eng'                                 (' 00001788 00001664 00004DC7 0000430B 00038287 00033467 00007EF4 00008000 '
 '00029855 00029827')
'TALB' (Album/Movie/Show title)                     '青春アミーゴ'
'TBPM' (BPM (beats per minute))                     '134'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-11-02'
'TIT2' (Title/songname/content description)         '青春アミーゴ'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Shuuji to Akira'
'TPE2' (Band/orchestra/accompaniment)               'Shuuji to Akira'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  "Johnny's Entertainment Inc."
'TRCK' (Track number/Position in set)               '1/6'
'TSO2'                                              'Shuuji to Akira'
'TSOP' (Performer sort order)                       'Shuuji to Akira'
'TXXX:ASIN'                                         'B000BK6Y1I'
'TXXX:Acoustid Id'                                  '9c0b09f3-f8d7-4b0e-af27-de10138c991f'
'TXXX:Artists'                                      'Shuuji to Akira'
'TXXX:BARCODE'                                      '4534266001632'
'TXXX:CATALOGNUMBER'                                'JECN 77'
'TXXX:MusicBrainz Album Artist Id'                  '8ffa6060-0a38-4419-869f-0ff9c87a89cd'
'TXXX:MusicBrainz Album Id'                         '71914787-6836-47e9-b752-92f8a60353ba'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '8ffa6060-0a38-4419-869f-0ff9c87a89cd'
'TXXX:MusicBrainz Release Group Id'                 'd4841632-6d49-3d1a-b96b-8326bcfb4882'
'TXXX:MusicBrainz Release Track Id'                 '5231d4f1-d345-3249-94be-4041a7ce45bf'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['j-pop', 'japanese', 'johnnys entertainment', 'male vocalists', 'jpop']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.377482'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7f4e2421-58ec-4f85-a6b5-f86dbc01468f')

========================== row from database ==========================
                                              'id'  926268
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shuuji to Akira/Seishun Amigo/01 Seishun Amigo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  277
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  6745406
                                           'mtime'  1637330160
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Seishun Amigo 01 Seishun Amigo loc asia japan;loc asia japan jpop
                                      'tag_artist'  Shuuji to Akira
                                     'tag_release'  青春アミーゴ
                                       'tag_title'  青春アミーゴ
                                             'bpm'  134.0
                                    'search_title'  '青春amiko':2 '青春アミーゴ':1
                                   'search_artist'  'akira':3 'shuuji':1 'to':2
                                  'search_release'  '青春amiko':2 '青春アミーゴ':1
                                     'search_rest'  '00asia':1 'amigo':3 'asia':5 'japan':6,8,10 'jpop':11 'loc':4,7,9 'seishun':2
                                    'search_combo'  '00asia':8 'akira':5B 'amigo':10 'asia':12 'japan':13,15,17 'jpop':18 'loc':11,14,16 'seishun':9 'shuuji':3B 'to':4B '青春amiko':2A,7C '青春アミーゴ':1A,6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j-pop', 'japanese', 'johnnys entertainment', 'male vocalists', 'jpop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330159.5833223  (2021-11-19 14:55:59)
                             'size'  6745406