======================== unified (from filesystem) ========================
                                         'bitrate'  '166.919'
                                        'duration'  '218'
                                          'artist'  'Aretha Franklin'
                                     'text_people'  ''
                                         'release'  'Beautiful Ballads & Love Songs'
                                           'title'  'Misty'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']"
                                     'discogstags'  "['soul', 'ballad', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '143.314'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000085C 000008A8 00007265'
'COMM:iTunNORM:eng'                                 (' 0000085C 000008A8 00007265 00006CF6 00023812 00023812 00007CFF 00007E2D '
 '00024894 00032CF8')
'TALB' (Album/Movie/Show title)                     'Beautiful Ballads & Love Songs'
'TBPM' (BPM (beats per minute))                     '143.314'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'lame 3.97mod'
'TIT2' (Title/songname/content description)         'Misty'
'TKEY' (Initial key)                                '8B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Aretha Franklin'
'TPE2' (Band/orchestra/accompaniment)               'Aretha Franklin'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Arista/Legacy'
'TRCK' (Track number/Position in set)               '5'
'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'                                  ['soul', 'ballad', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.78 dB'
'TXXX:replaygain_track_peak'                        '0.414465'

========================== row from database ==========================
                                              'id'  760039
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Aretha Franklin - MISTY.mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  218
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4898415
                                           'mtime'  1620586865
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism MISTY hip hop or rnb or rap or turntablism
                                      'tag_artist'  Aretha Franklin
                                     'tag_release'  Beautiful Ballads & Love Songs
                                       'tag_title'  Misty
                                             'bpm'  143.314
                                    'search_title'  'misty':1
                                   'search_artist'  'aretha':1 'franklin':2
                                  'search_release'  'ballads':2 'beautiful':1 'love':3 'songs':4
                                     'search_rest'  'hip':6 'hiphop':1 'hop':7 'misty':5 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'aretha':2B 'ballads':5C 'beautiful':4C 'franklin':3B 'hip':13 'hiphop':8 'hop':14 'love':6C 'misty':1A,12 'or':15 'rap':9 'rnb':10 'songs':7C 'turntablism':11
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', '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-1', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  2008
                                     'discogstags'  ['soul', 'ballad', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1620586865.2980528  (2021-05-09 21:01:05)
                             'size'  4898415