======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Charles Spurling'
                                     'text_people'  ''
                                         'release'  ('Crash Of Thunder: Boss Soul, Funk & R&B Sides From King, Federal, & Delxue '
 'Labels')
                                           'title'  'That Woman [King]'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['7soul']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '100.555'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000009E5 0000080B 00004A66 00003D55 0000FFEB 0000FFEB 00006DDB 00007530 '
 '0000FD78 0000E858')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A2C 00000000006B7A44 00000000 003A70D1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '20+60F13B9F9533A58ACEA32EEB084E1E43+9034778'
'TALB' (Album/Movie/Show title)                     ('Crash Of Thunder: Boss Soul, Funk & R&B Sides From King, Federal, & Delxue '
 'Labels')
'TBPM' (BPM (beats per minute))                     '100.555'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'That Woman [King]'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Charles Spurling'
'TRCK' (Track number/Position in set)               '18/20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   '7soul'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.525883'

========================== row from database ==========================
                                              'id'  768858
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Charles Spurling - That Woman.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  set-pl-spelling
                                        'filesize'  3837269
                                           'mtime'  1620356307
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Charles Spurling
                                     'tag_release'  Crash Of Thunder: Boss Soul, Funk & R&B Sides From King, Federal, & Delxue Labels
                                       'tag_title'  That Woman [King]
                                             'bpm'  100.555
                                    'search_title'  'king':3,4 'that':1 'woman':2
                                   'search_artist'  'charles':1 'spurling':2
                                  'search_release'  'b':10 'boss':5 'crash':1 'delxue':18 'federal':16,17 'from':13 'funk':8 'king':14,15 'labels':19 'of':2 'r':9 'rb':11 'sides':12 'soul':6,7 'thunder':3,4
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':27 '0playlists':26 'b':16C 'boss':11C 'charles':5B 'crash':7C 'delxue':24C 'federal':22C,23C 'from':19C 'funk':14C 'king':3A,4A,20C,21C 'labels':25C 'of':8C 'pl':31 'r':15C 'rb':17C 'set':30 'sides':18C 'soul':12C,13C 'spelling':29 'spurling':6B 'that':1A 'themes':28 'thunder':9C,10C 'woman':2A
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['7soul']
                                        'tag_date'  2007
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620356306.6804972  (2021-05-07 04:58:26)
                             'size'  3837269