======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '432'
                                          'artist'  'capsule'
                                     'text_people'  ''
                                         'release'  'Haikara Girl'
                                           'title'  'Sakura / [untitled]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jpop;loc-asia-japan'
                                             'bpm'  '123'
                                             'key'  '12B'
                                        'acoustid'  '108735e6-6a8d-4488-b8f7-37cb2cb51700'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Haikara Girl'
'TBPM' (BPM (beats per minute))                     '123'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jpop', 'loc-asia-japan']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-11-21'
'TIT2' (Title/songname/content description)         'Sakura / [untitled]'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'capsule'
'TPE2' (Band/orchestra/accompaniment)               'capsule'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '14/14'
'TSO2'                                              'CAPSULE'
'TSOP' (Performer sort order)                       'CAPSULE'
'TSRC' (ISRC (international standard recording code))  'JPI800100001'
'TXXX:Acoustid Id'                                  '108735e6-6a8d-4488-b8f7-37cb2cb51700'
'TXXX:Artists'                                      'capsule'
'TXXX:MusicBrainz Album Artist Id'                  'd5ce36be-fa9b-4caa-b148-a8526dd8ed04'
'TXXX:MusicBrainz Album Id'                         '093f3bd5-733b-47bb-b5af-4095c26e3a88'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd5ce36be-fa9b-4caa-b148-a8526dd8ed04'
'TXXX:MusicBrainz Release Group Id'                 'c119b859-16eb-39fc-9b53-1796ff46c464'
'TXXX:MusicBrainz Release Track Id'                 '1c2915e5-809b-3a61-962b-b1d2f88f5bb0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.445309'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c59b989f-e9ad-4b33-b433-4218a9543249')

========================== row from database ==========================
                                              'id'  1214578
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/capsule/capsule - Haikara Girl/14 - Sakura.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  432
                                           'genre'  loc-asia-japan-jpop;loc-asia-japan
                                        'filesize'  6932735
                                           'mtime'  1621700332
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 14 loc asia japan jpop;loc asia japan
                                      'tag_artist'  capsule
                                     'tag_release'  Haikara Girl
                                       'tag_title'  Sakura / [untitled]
                                             'bpm'  123.0
                                    'search_title'  'sakura':1 'untitled':2,3
                                   'search_artist'  'capsule':1
                                  'search_release'  'girl':2 'haikara':1
                                     'search_rest'  '00asia':1 'asia':3 'japan':4 'jpop':5,7 'loc':2,6,8
                                    'search_combo'  '00asia':7 'asia':9 'capsule':4B 'girl':6C 'haikara':5C 'japan':10 'jpop':11,13 'loc':8,12,14 'sakura':1A 'untitled':2A,3A
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621700331.7006369  (2021-05-22 18:18:51)
                             'size'  6932735