======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '303'
                                          'artist'  'Mr.Children'
                                     'text_people'  ''
                                         'release'  'I Love U'
                                           'title'  'Bokura no Oto'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j pop', 'japanese', 'j rock', 'rock', 'jpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '140'
                                             'key'  '12B'
                                        'acoustid'  '4f623ac5-9187-4db1-a722-484e79dbf17f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000099E 0000094B 00002001'
'COMM:iTunNORM:eng'                                 (' 0000099E 0000094B 00002001 00001D07 00027117 000111B5 0000723C 000073A8 '
 '00029827 00027117')
'TALB' (Album/Movie/Show title)                     'I Love U'
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-09-21'
'TIT2' (Title/songname/content description)         'Bokura no Oto'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Mr.Children'
'TPE2' (Band/orchestra/accompaniment)               'Mr.Children'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  "TOY'S FACTORY"
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Mr.Children'
'TSOP' (Performer sort order)                       'Mr.Children'
'TSSE' (Software/Hardware and settings used for encoding)  'SuperTagEditor Ver 2.01'
'TXXX:Acoustid Id'                                  '4f623ac5-9187-4db1-a722-484e79dbf17f'
'TXXX:Artists'                                      'Mr.Children'
'TXXX:BARCODE'                                      '4988061862002'
'TXXX:CATALOGNUMBER'                                'TFCC-86200'
'TXXX:MusicBrainz Album Artist Id'                  '27f0af0e-4d1f-4808-a58b-090e400dcc43'
'TXXX:MusicBrainz Album Id'                         'e8558cdf-8c01-4bc1-bd03-11e0a5d0a698'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '27f0af0e-4d1f-4808-a58b-090e400dcc43'
'TXXX:MusicBrainz Release Group Id'                 '642ff0d0-c589-3636-a161-e54b799c49f5'
'TXXX:MusicBrainz Release Track Id'                 '59a6c121-193b-49f6-b18e-a5ce9f4e034f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['j pop', 'japanese', 'j rock', 'rock', 'jpop']
'TXXX:originalyear'                                 '2005'
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.422188'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7ca3db2e-4a0a-42e5-9549-1b1d2e9c6d64')
'USLT::eng'                                         'Tokyo-Nights.com'

========================== row from database ==========================
                                              'id'  342340
                                            'path'  /data/Music/Bulk/00localcharacter/Mr.Children/I Love U/04 僕らの音.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  303
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  9501310
                                           'mtime'  1622821779
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 04 僕らの音 loc asia japan;loc asia japan jpop
                                      'tag_artist'  Mr.Children
                                     'tag_release'  I Love U
                                       'tag_title'  Bokura no Oto
                                             'bpm'  140.0
                                    'search_title'  'bokura':1 'no':2 'oto':3
                                   'search_artist'  'children':2 'mr':1 'mrchildren':3
                                  'search_release'  'i':1 'love':2 'u':3
                                     'search_rest'  'asia':4 'japan':5,7,9 'jpop':10 'loc':3,6,8 '僕rano音':2 '僕らの音':1
                                    'search_combo'  'asia':13 'bokura':1A 'children':5B 'i':7C 'japan':14,16,18 'jpop':19 'loc':12,15,17 'love':8C 'mr':4B 'mrchildren':6B 'no':2A 'oto':3A 'u':9C '僕rano音':11 '僕らの音':10
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-2', '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-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['j pop', 'japanese', 'j rock', 'rock', 'jpop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821779.3557746  (2021-06-04 17:49:39)
                             'size'  9501310