======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '253'
                                          'artist'  'Kahimi Karie'
                                     'text_people'  ''
                                         'release'  'Nunki'
                                           'title'  '歩きつづけて'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['shibuya-kei', 'j-pop', 'japanese', 'female vocalists', 'pop']"
                                     'discogstags'  "['electronic', 'rock', 'acoustic', 'abstract', 'avantgarde', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-shibuyakei'
                                             'bpm'  '110'
                                             'key'  '11B'
                                        'acoustid'  'd7df45a1-a1ef-485b-bfc6-79a5ce9f3a7c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000051A 0000048B 000032F8'
'COMM:iTunNORM:eng'                                 (' 0000051A 0000048B 000032F8 00002657 0001ADF5 0001ADC7 00006969 00006C5A '
 '0001ADF5 0001ADC7')
'MCDI' (Music CD identifier)                        MCDI(data=b'D\x00+\x009\x006\x00+\x006\x00E\x009\x008\x00+\x00C\x00A\x00A\x008\x00+\x001\x002\x00C\x004\x00C\x00+\x001\x005\x00C\x00C\x009\x00+\x001\x00B\x008\x000\x00B\x00+\x002\x000\x001\x006\x009\x00+\x002\x003\x00C\x00B\x00F\x00+\x002\x00A\x00E\x004\x008\x00+\x002\x00F\x00E\x005\x00F\x00+\x003\x005\x00C\x001\x006\x00+\x003\x008\x002\x006\x00D\x00+\x003\x00D\x008\x00E\x003\x00+\x004\x002\x003\x002\x00C\x00\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Nunki'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-shibuyakei']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-10-25'
'TIT2' (Title/songname/content description)         '歩きつづけて'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '253560'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kahimi Karie'
'TPE2' (Band/orchestra/accompaniment)               'Kahimi Karie'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Victor'
'TRCK' (Track number/Position in set)               '13/13'
'TSO2'                                              'Kahimi Karie'
'TSOP' (Performer sort order)                       'Kahimi Karie'
'TXXX:ASIN'                                         'B000HXE2XG'
'TXXX:Acoustid Id'                                  'd7df45a1-a1ef-485b-bfc6-79a5ce9f3a7c'
'TXXX:Artists'                                      'Kahimi Karie'
'TXXX:BARCODE'                                      '4988002513772'
'TXXX:CATALOGNUMBER'                                'VICL-62135'
'TXXX:MusicBrainz Album Artist Id'                  '938802a8-fc8d-43a3-bc2b-68180f748055'
'TXXX:MusicBrainz Album Id'                         '8c6f861e-c347-4c5c-aed1-eae205297c67'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '938802a8-fc8d-43a3-bc2b-68180f748055'
'TXXX:MusicBrainz Release Group Id'                 '62984d95-73bd-35fd-a155-c33dc55a3b5d'
'TXXX:MusicBrainz Release Track Id'                 'dea69651-b4a8-3f1d-a0e5-b38bf7c0d1ca'
'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'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'acoustic', 'abstract', 'avantgarde', 'experimental']
'TXXX:lastfmtags'                                   ['shibuya-kei', 'j-pop', 'japanese', 'female vocalists', 'pop']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.441856'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1707bcb5-5a16-45d5-84a1-2f8685b6dca2')

========================== row from database ==========================
                                              'id'  926532
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Kahimi Karie/[2006] Nunki/13 歩きつづけて.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  253
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-shibuyakei
                                        'filesize'  4141211
                                           'mtime'  1628354038
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2006] 13 loc asia japan;loc asia japan jrock shibuyakei
                                      'tag_artist'  Kahimi Karie
                                     'tag_release'  Nunki
                                       'tag_title'  歩きつづけて
                                             'bpm'  110.0
                                    'search_title'  '歩kitutukete':2 '歩きつづけて':1
                                   'search_artist'  'kahimi':1 'karie':2
                                  'search_release'  'nunki':1
                                     'search_rest'  '00asia':1 '2006':2,3 'asia':5 'japan':6,8,10 'jrock':11 'loc':4,7,9 'shibuyakei':12
                                    'search_combo'  '00asia':6 '2006':7,8 'asia':10 'japan':11,13,15 'jrock':16 'kahimi':3B 'karie':4B 'loc':9,12,14 'nunki':5C 'shibuyakei':17 '歩kitutukete':2A '歩きつづけて':1A
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['shibuya-kei', 'j-pop', 'japanese', 'female vocalists', 'pop']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'acoustic', 'abstract', 'avantgarde', 'experimental']

============================== file details ==============================
                                           'mtime'  1628354038.2966452  (2021-08-07 18:33:58)
                             'size'  4141211