======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '237'
                                          'artist'  'Luther Vandross'
                                     'text_people'  ''
                                         'release'  'Sounds of the 80s'
                                           'title'  'I Really Didnt Mean It'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'rhythm and blues', 'soul', 'pop', 'male vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rhythmblues'
                                             'bpm'  '114.673'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 80s'
'TBPM' (BPM (beats per minute))                     '114.673'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rhythmblues'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'I Really Didnt Mean It'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Luther Vandross'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'rhythm and blues', 'soul', 'pop', 'male vocalists']
'TXXX:q-bass'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.489831'

========================== row from database ==========================
                                              'id'  1533755
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Sounds Of The 80s (480 songs)/Luther Vandross - I Really Didnt Mean It.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  237
                                           'genre'  rock-pop-early-rhythmblues
                                        'filesize'  3799454
                                           'mtime'  1620736550
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Of The (480 songs) rock pop early rhythmblues
                                      'tag_artist'  Luther Vandross
                                     'tag_release'  Sounds of the 80s
                                       'tag_title'  I Really Didnt Mean It
                                             'bpm'  114.673
                                    'search_title'  'didnt':3 'i':1 'it':5 'mean':4 'really':2
                                   'search_artist'  'luther':1 'vandross':2
                                  'search_release'  '80s':4 'of':2 'sounds':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '480':7,8 'dance':3 'early':13 'generic':2 'of':5 'pop':12 'rhythmblues':14 'rock':11 'songs':9,10 'the':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':12 '480':18,19 '80s':11C 'dance':14 'didnt':3A 'early':24 'generic':13 'i':1A 'it':5A 'luther':6B 'mean':4A 'of':9C,16 'pop':23 'really':2A 'rhythmblues':25 'rock':22 'songs':20,21 'sounds':8C 'the':10C,17 'trapbeat':15 'vandross':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'rhythm and blues', 'soul', 'pop', 'male vocalists']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736549.8305044  (2021-05-11 14:35:49)
                             'size'  3799454