======================== unified (from filesystem) ========================
                                         'bitrate'  '191.985'
                                        'duration'  '344'
                                          'artist'  'Chaka Khan'
                                     'text_people'  ''
                                         'release'  'I Love Disco, Volume 3'
                                           'title'  'I Feel for You'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rnb', 'female vocalists', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'set-pl-zomg80s;set-pl-billboard'
                                             'bpm'  '124.852'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I Love Disco, Volume 3'
'TBPM' (BPM (beats per minute))                     '124.852'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-zomg80s', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'I Feel for You'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chaka Khan'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'female vocalists', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.470552'

========================== row from database ==========================
                                              'id'  1312211
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/CD7_09_Chaka Khan  I Feel For You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  344
                                           'genre'  set-pl-zomg80s;set-pl-billboard
                                        'filesize'  8268246
                                           'mtime'  1652397947
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] CD7_09_Chaka For set pl zomg80s;set pl billboard
                                      'tag_artist'  Chaka Khan
                                     'tag_release'  I Love Disco, Volume 3
                                       'tag_title'  I Feel for You
                                             'bpm'  124.852
                                    'search_title'  'feel':2 'for':3 'i':1 'you':4
                                   'search_artist'  'chaka':1 'khan':2
                                  'search_release'  '3':6 'disco':3,4 'i':1 'love':2 'volume':5
                                     'search_rest'  '00poprockelectronic':1 '09':8 'billboard':17 'cd7':7 'chaka':9 'files':5,6 'for':10 'loose':3,4 'pl':12 'set':11,14,16 'unsorted':2 'zomg80s':13,15
                                    'search_combo'  '00poprockelectronic':13 '09':20 '3':12C 'billboard':29 'cd7':19 'chaka':5B,21 'disco':9C,10C 'feel':2A 'files':17,18 'for':3A,22 'i':1A,7C 'khan':6B 'loose':15,16 'love':8C 'pl':24 'set':23,26,28 'unsorted':14 'volume':11C 'you':4A 'zomg80s':25,27
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'rnb', 'female vocalists', 'soul', 'funk']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397946.8622806  (2022-05-13 01:25:46)
                             'size'  8268246