======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '226'
                                          'artist'  'Akiko Noma'
                                     'text_people'  ''
                                         'release'  'キラリ'
                                           'title'  'かわいい独房'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '108.355'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001EDD 00001677 00005343'
'COMM:iTunNORM:eng'                                 (' 00001EDD 00001677 00005343 00003620 0002E647 00024A35 00008000 00008000 '
 '00004E20 00007530')
'TALB' (Album/Movie/Show title)                     'キラリ'
'TBPM' (BPM (beats per minute))                     '108.355'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'かわいい独房'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akiko Noma'
'TRCK' (Track number/Position in set)               '06'
'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:other'                                        '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.388894'

========================== row from database ==========================
                                              'id'  924279
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/浜田亜紀子/[2003] キラリ/06 かわいい独房.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  226
                                           'genre'  loc-asia-japan
                                        'filesize'  5458755
                                           'mtime'  1622821581
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 浜田亜紀子 [2003] 06 loc asia japan
                                      'tag_artist'  Akiko Noma
                                     'tag_release'  キラリ
                                       'tag_title'  かわいい独房
                                             'bpm'  108.355
                                    'search_title'  'kawaii独房':2 'かわいい独房':1
                                   'search_artist'  'akiko':1 'noma':2
                                  'search_release'  'kirari':2 'キラリ':1
                                     'search_rest'  '00asia':1 '2003':3,4 'asia':6 'japan':7 'loc':5 '浜田亜紀子':2
                                    'search_combo'  '00asia':7 '2003':9,10 'akiko':3B 'asia':12 'japan':13 'kawaii独房':2A 'kirari':6C 'loc':11 'noma':4B 'かわいい独房':1A 'キラリ':5C '浜田亜紀子':8
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  5A
                                           '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-1', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821580.952859  (2021-06-04 17:46:20)
                             'size'  5458755