======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '84'
                                          'artist'  'ウルフルズ'
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  '外面キング'
                                           '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-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ulfuls', 'rock', 'japanese', 'j pop', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;set-pl-sced'
                                             'bpm'  '121.337'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000004E1 0000065F 000010AA'
'COMM:iTunNORM:eng'                                 (' 000004E1 0000065F 000010AA 0000163A 0000C70C 0000C70C 00005FA6 00005FB7 '
 '000084E8 00010975')
'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '121.337'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         '外面キング'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'ウルフルズ'
'TPE2' (Band/orchestra/accompaniment)               'ウルフルズ'
'TRCK' (Track number/Position in set)               '06/12'
'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:lastfmtags'                                   ['ulfuls', 'rock', 'japanese', 'j pop', 'j rock']
'TXXX:other'                                        '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.02 dB'
'TXXX:replaygain_track_peak'                        '0.467164'

========================== row from database ==========================
                                              'id'  924269
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ウルフルズ/[2006] You/06 外面キング.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  84
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;set-pl-sced
                                        'filesize'  2398803
                                           'mtime'  1637020108
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2006] 06 loc asia japan;loc asia japan jrock;set pl sced
                                      'tag_artist'  ウルフルズ
                                     'tag_release'  You
                                       'tag_title'  外面キング
                                             'bpm'  121.337
                                    'search_title'  '外面kinku':2 '外面キング':1
                                   'search_artist'  'uruhurusu':2 'ウルフルズ':1
                                  'search_release'  'you':1
                                     'search_rest'  '00asia':1 '2006':2,3 'asia':5 'japan':6,8,10 'jrock':11,13 'loc':4,7,9 'pl':15 'sced':16 'set':12,14
                                    'search_combo'  '00asia':6 '2006':7,8 'asia':10 'japan':11,13,15 'jrock':16,18 'loc':9,12,14 'pl':20 'sced':21 'set':17,19 'uruhurusu':4B 'you':5C 'ウルフルズ':3B '外面kinku':2A '外面キング':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ulfuls', 'rock', 'japanese', 'j pop', 'j rock']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020108.0369494  (2021-11-16 00:48:28)
                             'size'  2398803