======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '455'
                                          'artist'  'Bachikaburi'
                                     'text_people'  ''
                                         'release'  'Ongaku Geisha'
                                           'title'  'Yabanjin ~ Mapantsura'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new wave', 'post punk', 'japanese', 'postpunk', 'japan']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-post;loc-asia-japan'
                                             'bpm'  '112.696'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000006C8 0000053A 000068D5 00007131 00042D49 00042D49 00008A78 0000AB7F '
 '00009EFA 00059F97')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008B8 0000000001324AB8 00000000 006F1730 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '11+F5867A9DE66A8312E01BC7091ECB2E9C+1778547'
'TALB' (Album/Movie/Show title)                     'Ongaku Geisha'
'TBPM' (BPM (beats per minute))                     '112.696'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-punk-post', 'loc-asia-japan']
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'iTunes 9.0.3.15'
'TIT2' (Title/songname/content description)         'Yabanjin ~ Mapantsura'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bachikaburi'
'TRCK' (Track number/Position in set)               '8/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['new wave', 'post punk', 'japanese', 'postpunk', 'japan']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.913970'

========================== row from database ==========================
                                              'id'  927687
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/1990 - ONGAKU GEISHA/08 - Yabanjin ~ Mapantsura.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  455
                                           'genre'  rock-gr-punk-post;loc-asia-japan
                                        'filesize'  7319378
                                           'mtime'  1621629100
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1990 ONGAKU GEISHA 08 rock gr punk post;loc asia japan
                                      'tag_artist'  Bachikaburi
                                     'tag_release'  Ongaku Geisha
                                       'tag_title'  Yabanjin ~ Mapantsura
                                             'bpm'  112.696
                                    'search_title'  'mapantsura':2 'yabanjin':1
                                   'search_artist'  'bachikaburi':1
                                  'search_release'  'geisha':2 'ongaku':1
                                     'search_rest'  '00asia':1 '1990':2 'asia':12 'geisha':4 'gr':6 'japan':13 'loc':9,11 'ongaku':3 'post':8,10 'punk':7 'rock':5
                                    'search_combo'  '00asia':6 '1990':7 'asia':17 'bachikaburi':3B 'geisha':5C,9 'gr':11 'japan':18 'loc':14,16 'mapantsura':2A 'ongaku':4C,8 'post':13,15 'punk':12 'rock':10 'yabanjin':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'post punk', 'japanese', 'postpunk', 'japan']
                                        'tag_date'  1990
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621629099.97468  (2021-05-21 22:31:39)
                             'size'  7319378