======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'Meiko Kaji'
                                     'text_people'  ''
                                         'release'  'Zenkyoku shu'
                                           'title'  'Minami kaze'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'enka', 'female vocalists', 'soundtrack', 'j-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '139.9'
                                             'key'  '12B'
                                        'acoustid'  'd5f5812d-9b87-447b-925e-871116571ae6'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zenkyoku shu'
'TBPM' (BPM (beats per minute))                     '139.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Minami kaze'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Meiko Kaji'
'TPE2' (Band/orchestra/accompaniment)               'Meiko Kaji'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/20'
'TSO2'                                              'Meiko Kaji'
'TSOP' (Performer sort order)                       'Meiko Kaji'
'TSRC' (ISRC (international standard recording code))  'JPTE07470100/JPTE07470101'
'TXXX:Acoustid Id'                                  'd5f5812d-9b87-447b-925e-871116571ae6'
'TXXX:Artists'                                      'Meiko Kaji'
'TXXX:MusicBrainz Album Artist Id'                  'fb5280b5-9e0c-439d-b275-2d8b5bffc19a'
'TXXX:MusicBrainz Album Id'                         '1eb628ef-0d5b-456a-b1ec-78466c9a481f'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'fb5280b5-9e0c-439d-b275-2d8b5bffc19a'
'TXXX:MusicBrainz Release Group Id'                 '9bc67539-0dcb-30b8-8e87-37c565e69a63'
'TXXX:MusicBrainz Release Track Id'                 '2b0642e1-4991-3bdc-b6e6-c7624459f589'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['japanese', 'enka', 'female vocalists', 'soundtrack', 'j-pop']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.500088'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'63d06075-183b-42f7-a7e7-8d74df4088f2')

========================== row from database ==========================
                                              'id'  1305290
                                            'path'  /data/Music/Bulk/00localcharacter/Kaji Meiko/Kaji Meiko - Minami Kaze.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  loc-asia-japan
                                        'filesize'  4647439
                                           'mtime'  1622821545
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Kaze loc asia japan
                                      'tag_artist'  Meiko Kaji
                                     'tag_release'  Zenkyoku shu
                                       'tag_title'  Minami kaze
                                             'bpm'  139.9
                                    'search_title'  'kaze':2 'minami':1
                                   'search_artist'  'kaji':2 'meiko':1
                                  'search_release'  'shu':2 'zenkyoku':1
                                     'search_rest'  'asia':3 'japan':4 'kaze':1 'loc':2
                                    'search_combo'  'asia':9 'japan':10 'kaji':4B 'kaze':2A,7 'loc':8 'meiko':3B 'minami':1A 'shu':6C 'zenkyoku':5C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'enka', 'female vocalists', 'soundtrack', 'j-pop']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821544.583288  (2021-06-04 17:45:44)
                             'size'  4647439