======================== unified (from filesystem) ========================
                                         'bitrate'  '208.756'
                                        'duration'  '380'
                                          'artist'  'The Sisters Of Mercy'
                                     'text_people'  ''
                                         'release'  'Floodland (Remastered And Expanded)'
                                           'title'  'emma'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'gothic rock', 'post punk', 'gothic', 'goth']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '144.955'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000D24 00000C06 000036A0'
'COMM:iTunNORM:eng'                                 (' 00000D24 00000C06 000036A0 00002E99 00043A79 0003A43E 0000794C 00007366 '
 '0003A43E 0003A43E')
'TALB' (Album/Movie/Show title)                     'Floodland (Remastered And Expanded)'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIT2' (Title/songname/content description)         'emma'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sisters Of Mercy'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'gothic rock', 'post punk', 'gothic', 'goth']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.424188'

========================== row from database ==========================
                                              'id'  1400346
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/The Sisters Of Mercy/The_Sisters_of_Mercy-Floodland_(Remastered_and_Expanded)-2006-JUST/12-the_sisters_of_mercy-emma.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  380
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  9944315
                                           'mtime'  1620300782
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth The_Sisters_of_Mercy Floodland_(Remastered_and_Expanded) 2006 JUST 12 the_sisters_of_mercy eid goth or gothrock gothrock
                                      'tag_artist'  The Sisters Of Mercy
                                     'tag_release'  Floodland (Remastered And Expanded)
                                       'tag_title'  emma
                                             'bpm'  144.955
                                    'search_title'  'emma':1
                                   'search_artist'  'mercy':4 'of':3 'sisters':2 'the':1
                                  'search_release'  'and':4 'expanded':5,6 'floodland':1 'remastered':2,3
                                     'search_rest'  '00dwimp':1 '00ebm':2 '2006':18 'and':12,16 'darkwave':4 'eid':20 'expanded':13,17 'floodland':10,14 'goth':5 'gothrock':22 'industrial':3 'just':19 'mercy':9 'of':8 'or':21 'remastered':11,15 'sisters':7 'the':6
                                    'search_combo'  '00dwimp':12 '00ebm':13 '2006':29 'and':9C,23,27 'darkwave':15 'eid':31 'emma':1A 'expanded':10C,11C,24,28 'floodland':6C,21,25 'goth':16 'gothrock':33 'industrial':14 'just':30 'mercy':5B,20 'of':4B,19 'or':32 'remastered':7C,8C,22,26 'sisters':3B,18 'the':2B,17
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'gothic rock', 'post punk', 'gothic', 'goth']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620300781.8544443  (2021-05-06 13:33:01)
                             'size'  9944315