======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '286'
                                          'artist'  'Benga'
                                     'text_people'  ''
                                         'release'  'Diary Of An Afro Warrior'
                                           'title'  'The Cut'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'dub', 'grime', 'dubstep', 'bass']"
                                     'discogstags'  "['electronic', 'dubstep']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '140.044'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 ['00000567 00000586 00005DD9 0000645F 0001D83E 0001DEFA 00008281 00007B09 '
 '00010F53 00019C0A',
 ' 000004AA 00000000 00003642 00000000 0003347E 00000000 00006129 00000000 '
 '00024A1E 00000000']
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 ('00000000 00000210 000008B8 0000000000C098B8 00000000 008BAE5F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'C00EFC0E+287916+14+150+17638+44390+69018+90002+109202+128671+145127+163627+185093+210153+223062+246660+269294'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '9'
'TALB' (Album/Movie/Show title)                     'Diary Of An Afro Warrior'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'Itunes V7.2.0.35'
'TIT2' (Title/songname/content description)         'The Cut'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Benga'
'TRCK' (Track number/Position in set)               '09'
'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', 'dubstep']
'TXXX:lastfmtags'                                   ['electronic', 'dub', 'grime', 'dubstep', 'bass']
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.595447'

========================== row from database ==========================
                                              'id'  760194
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Benga - THE CUT.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  286
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9163033
                                           'mtime'  1620586937
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism THE CUT hip hop rnb rap turntablism
                                      'tag_artist'  Benga
                                     'tag_release'  Diary Of An Afro Warrior
                                       'tag_title'  The Cut
                                             'bpm'  140.044
                                    'search_title'  'cut':2 'the':1
                                   'search_artist'  'benga':1
                                  'search_release'  'afro':4 'an':3 'diary':1 'of':2 'warrior':5
                                     'search_rest'  'cut':6 'hip':7 'hiphop':1 'hop':8 'rap':2 'rnb':3 'the':5 'turntablism':4
                                    'search_combo'  'afro':7C 'an':6C 'benga':3B 'cut':2A,14 'diary':4C 'hip':15 'hiphop':9 'hop':16 'of':5C 'rap':10 'rnb':11 'the':1A,13 'turntablism':12 'warrior':8C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', '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'  ['electronic', 'dub', 'grime', 'dubstep', 'bass']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'dubstep']

============================== file details ==============================
                                           'mtime'  1620586937.332789  (2021-05-09 21:02:17)
                             'size'  9163033