======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '279'
                                          'artist'  'Bilal Salaam'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Heaven'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-3', "
 "'Q-UNU-1', '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-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['neo-soul', 'jazz', 'electric soul', 'sweet soul music', 'soul']"
                                     'discogstags'  ("['soul', 'rhythmic noise', 'funk / soul', 'electro', 'electronic', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '106.869'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000009FF 0000097E 00005F55'
'COMM:iTunNORM:eng'                                 (' 000009FF 0000097E 00005F55 00005CF2 000138A0 000138A0 00008000 00008000 '
 '00013880 00002770')
'TBPM' (BPM (beats per minute))                     '106.869'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Heaven'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bilal Salaam'
'TPUB' (Publisher)                                  'Sire/WB/Rhino'
'TRCK' (Track number/Position in set)               '4'
'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:WM/ALBUMARTIST'                               'Unknown Artist'
'TXXX:WM/ENCODINGTIME'                              '943600320'
'TXXX:WM/MEDIAPRIMARYCLASSID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:discogstags'                                  ['soul',
 'rhythmic noise',
 'funk / soul',
 'electro',
 'electronic',
 'experimental']
'TXXX:lastfmtags'                                   ['neo-soul', 'jazz', 'electric soul', 'sweet soul music', 'soul']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.482682'

========================== row from database ==========================
                                              'id'  765915
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Bilal Salaam - HEAVEN.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  279
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6726756
                                           'mtime'  1620586955
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism HEAVEN hip hop or rnb or rap or turntablism
                                      'tag_artist'  Bilal Salaam
                                     'tag_release'  None
                                       'tag_title'  Heaven
                                             'bpm'  106.869
                                    'search_title'  'heaven':1
                                   'search_artist'  'bilal':1 'salaam':2
                                  'search_release'  
                                     'search_rest'  'heaven':5 'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'bilal':2B 'heaven':1A,8 'hip':9 'hiphop':4 'hop':10 'or':11 'rap':5 'rnb':6 'salaam':3B 'turntablism':7
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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'  ['neo-soul', 'jazz', 'electric soul', 'sweet soul music', 'soul']
                                        'tag_date'  2005
                                     'discogstags'  ['soul', 'rhythmic noise', 'funk / soul', 'electro', 'electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1620586955.196293  (2021-05-09 21:02:35)
                             'size'  6726756