======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '220'
                                          'artist'  'Lady Sovereign'
                                     'text_people'  ''
                                         'release'  'Public Warning'
                                           'title'  'Love Me or Hate Me (Remix Feat. Missy Elliott)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['grime', 'female vocalists', 'hip hop', 'british', 'rap']"
                                     'discogstags'  "['electronic', 'hip hop', 'uk garage', 'grime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '119.971'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000A0F 00000AA1 00008D57'
'COMM:iTunNORM:eng'                                 (' 000008B8 00000937 00002495 00002504 00009C85 00009C85 00008000 00008000 '
 '00002710 00002710')
'TALB' (Album/Movie/Show title)                     'Public Warning'
'TBPM' (BPM (beats per minute))                     '119.971'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Love Me or Hate Me (Remix Feat. Missy Elliott)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lady Sovereign'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'uk garage', 'grime']
'TXXX:lastfmtags'                                   ['grime', 'female vocalists', 'hip hop', 'british', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.28 dB'
'TXXX:replaygain_track_peak'                        '0.627147'

========================== row from database ==========================
                                              'id'  1350704
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lady Sovereign/13 Love Me or Hate Me (Remix Feat. M.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5283840
                                           'mtime'  1620570421
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 13 hip hop rnb rap turntablism
                                      'tag_artist'  Lady Sovereign
                                     'tag_release'  Public Warning
                                       'tag_title'  Love Me or Hate Me (Remix Feat. Missy Elliott)
                                             'bpm'  119.971
                                    'search_title'  'elliott':10,11 'feat':7,8 'hate':4 'love':1 'me':2 'missy':9 'or':3 'remix':5,6
                                   'search_artist'  'lady':1 'sovereign':2
                                  'search_release'  'public':1 'warning':2
                                     'search_rest'  '00poprockelectronic':1 'hip':2 'hop':3 'rap':5 'rnb':4 'turntablism':6
                                    'search_combo'  '00poprockelectronic':16 'elliott':10A,11A 'feat':7A,8A 'hate':4A 'hip':17 'hop':18 'lady':12B 'love':1A 'me':2A 'missy':9A 'or':3A 'public':14C 'rap':20 'remix':5A,6A 'rnb':19 'sovereign':13B 'turntablism':21 'warning':15C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['grime', 'female vocalists', 'hip hop', 'british', 'rap']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'hip hop', 'uk garage', 'grime']

============================== file details ==============================
                                           'mtime'  1620570421.4945133  (2021-05-09 16:27:01)
                             'size'  5283840