======================== unified (from filesystem) ========================
                                         'bitrate'  '180.37'
                                        'duration'  '336'
                                          'artist'  'Port of Notes'
                                     'text_people'  ''
                                         'release'  'Duet with Birds'
                                           'title'  'Woman~Wの悲劇より~'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['acoustic', 'jazz', 'female vocalists', 'japanese', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '132.966'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000369 00000299 0000227B'
'COMM:iTunNORM:eng'                                 (' 00000369 00000299 0000227B 00001716 0002B339 00037A95 00004F30 000042BA '
 '0002B322 0002B322')
'TALB' (Album/Movie/Show title)                     'Duet with Birds'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'prerock-jb-jazz-unsorted']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Woman~Wの悲劇より~'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Port of Notes'
'TPE2' (Band/orchestra/accompaniment)               'Port of Notes'
'TRCK' (Track number/Position in set)               '11'
'TSSE' (Software/Hardware and settings used for encoding)  'SuperTagEditor Ver 2.00ƒÀ'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'jazz', 'female vocalists', 'japanese', 'soul']
'TXXX:other'                                        '2001'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.673003'

========================== row from database ==========================
                                              'id'  1386284
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Port of Notes/[2001] Duet with Birds/11 Woman~Wの悲劇より~.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  336
                                           'genre'  loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  7612912
                                           'mtime'  1620533829
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country [2001] 11 loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  Port of Notes
                                     'tag_release'  Duet with Birds
                                       'tag_title'  Woman~Wの悲劇より~
                                             'bpm'  132.966
                                    'search_title'  'woman':1,4 '~w':2 '~wno':5 'の悲劇より':3 '悲劇yori':6
                                   'search_artist'  'notes':3 'of':2 'port':1
                                  'search_release'  'birds':3 'duet':1 'with':2
                                     'search_rest'  '2001':5,6 'asia':8 'country':4 'exotica':2 'japan':9,11 'jazz':1 'jb':13 'loc':7 'oldies':3 'prerock':10,12 'unsorted':14
                                    'search_combo'  '2001':17,18 'asia':20 'birds':12C 'country':16 'duet':10C 'exotica':14 'japan':21,23 'jazz':13 'jb':25 'loc':19 'notes':9B 'of':8B 'oldies':15 'port':7B 'prerock':22,24 'unsorted':26 'with':11C 'woman':1A,4A '~w':2A '~wno':5A 'の悲劇より':3A '悲劇yori':6A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'jazz', 'female vocalists', 'japanese', 'soul']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533828.8925838  (2021-05-09 06:17:08)
                             'size'  7612912