======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '233'
                                          'artist'  'M.I.A.'
                                     'text_people'  'M.I.A.'
                                         'release'  'Kala'
                                           'title'  'World Town'
                                           '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-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '133.1'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000CDB 0000093E 000075D7 0000582B 000232DB 0000E787 00008CE3 00008D8E '
 '0000BEEB 0001610F')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000930 00000000009D3140 00000000 008E7D8D 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+6C8D7C39350149498125483900581ECC+9757482'
'TALB' (Album/Movie/Show title)                     'Kala'
'TBPM' (BPM (beats per minute))                     '133.1'
'TCOM' (Composer)                                   'M.I.A.'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.3.2'
'TIT2' (Title/songname/content description)         'World Town'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'M.I.A.'
'TPE2' (Band/orchestra/accompaniment)               'M.I.A.'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/12'
'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'
'TXXX:lastfmtags'                                   ['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.474832'

========================== row from database ==========================
                                              'id'  1258114
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/M.I.A. - M.I.A/Kala/08 World Town.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  233
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9379701
                                           'mtime'  1620585563
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 08 hip hop rnb rap turntablism
                                      'tag_artist'  M.I.A.
                                     'tag_release'  Kala
                                       'tag_title'  World Town
                                             'bpm'  133.1
                                    'search_title'  'town':2 'world':1
                                   'search_artist'  'a':3 'i':2 'm':1 'mia':4
                                  'search_release'  'kala':1
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'a':5B 'hip':12 'hiphop':8 'hop':13 'i':4B 'kala':7C 'm':3B 'mia':6B 'rap':9 'rnb':10 'town':2A 'turntablism':11 'world':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1A
                                           '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620585563.223079  (2021-05-09 20:39:23)
                             'size'  9379701