======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '329'
                                          'artist'  'VELVET EDEN'
                                     'text_people'  ''
                                         'release'  'Street of ALICE'
                                           'title'  '刃物の恋'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'electronic', 'visual kei', 'gothic', 'darkwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-gr-punk-jpunk;set-pl-sced'
                                             'bpm'  '86.659'
                                             'key'  '11A'
                                        'acoustid'  'd9aed2fb-9a15-4758-95a7-3aa30eec9bd3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001256 00001260 0000447A 00004B7B 00007575 00007575 00008000 00008000 '
 '00024A07 00007547')
'TALB' (Album/Movie/Show title)                     'Street of ALICE'
'TBPM' (BPM (beats per minute))                     '86.659'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-gr-punk-jpunk', 'set-pl-sced']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-05-10'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         '刃物の恋'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'VELVET EDEN'
'TPE2' (Band/orchestra/accompaniment)               'VELVET EDEN'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'CASTLE RECORDS'
'TRCK' (Track number/Position in set)               '4/8'
'TSO2'                                              'VELVET EDEN'
'TSOP' (Performer sort order)                       'VELVET EDEN'
'TXXX:ASIN'                                         'B00005EZ9W'
'TXXX:Acoustid Id'                                  'd9aed2fb-9a15-4758-95a7-3aa30eec9bd3'
'TXXX:Artists'                                      'VELVET EDEN'
'TXXX:BARCODE'                                      '4529837027043'
'TXXX:CATALOGNUMBER'                                'CAS-2007'
'TXXX:MusicBrainz Album Artist Id'                  'ee9d0e87-6777-4af4-887e-42e88b484165'
'TXXX:MusicBrainz Album Id'                         '5a7fd74f-022c-4635-a418-0187475dd094'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ee9d0e87-6777-4af4-887e-42e88b484165'
'TXXX:MusicBrainz Release Group Id'                 '02bc2e04-bfd8-3c79-a61e-f5a37ed2c0b6'
'TXXX:MusicBrainz Release Track Id'                 '490395dc-5f93-3903-9ab9-54affa6d7278'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['industrial', 'electronic', 'visual kei', 'gothic', 'darkwave']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'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'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.462353'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7a0cdeb7-4697-4e46-9b53-2c05c47e7fc5')

========================== row from database ==========================
                                              'id'  438510
                                            'path'  /data/Music/Bulk/00localcharacter/Velvet Eden/[2000] Street of Alice/04 刃物の恋.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  329
                                           'genre'  loc-asia-japan;rock-gr-punk-jpunk;set-pl-sced
                                        'filesize'  5305480
                                           'mtime'  1621695847
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Velvet Eden [2000] Alice 04 loc asia japan;rock gr punk jpunk;set pl sced
                                      'tag_artist'  VELVET EDEN
                                     'tag_release'  Street of ALICE
                                       'tag_title'  刃物の恋
                                             'bpm'  86.659
                                    'search_title'  '刃物no恋':2 '刃物の恋':1
                                   'search_artist'  'eden':2 'velvet':1
                                  'search_release'  'alice':3 'of':2 'street':1
                                     'search_rest'  '2000':3,4 'alice':5 'asia':7 'eden':2 'gr':12 'japan':8,10 'jpunk':14,16 'loc':6 'pl':18 'punk':13 'rock':9,11 'sced':19 'set':15,17 'velvet':1
                                    'search_combo'  '2000':10,11 'alice':7C,12 'asia':14 'eden':4B,9 'gr':19 'japan':15,17 'jpunk':21,23 'loc':13 'of':6C 'pl':25 'punk':20 'rock':16,18 'sced':26 'set':22,24 'street':5C 'velvet':3B,8 '刃物no恋':2A '刃物の恋':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial', 'electronic', 'visual kei', 'gothic', 'darkwave']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695846.9191513  (2021-05-22 17:04:06)
                             'size'  5305480