======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '375'
                                          'artist'  'Stylistics'
                                     'text_people'  ''
                                         'release'  'Another Late Night'
                                           'title'  'People Make the World Go Round'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', '70s', 'oldies', 'philly soul', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '84.315'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000005AB 000005B8 0000213C'
'COMM:iTunNORM:eng'                                 (' 000005AB 000005B8 0000213C 00002243 000186B7 00050927 0000764A 00007650 '
 '000186B7 0000C37E')
'TALB' (Album/Movie/Show title)                     'Another Late Night'
'TBPM' (BPM (beats per minute))                     '84.315'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'People Make the World Go Round'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stylistics'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', '70s', 'oldies', 'philly soul', 'rnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.629572'

========================== row from database ==========================
                                              'id'  1421837
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Another Late Night/16 People Make the World Go Round.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  375
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  6136226
                                           'mtime'  1620561943
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 16 prerock classical classical instruments
                                      'tag_artist'  Stylistics
                                     'tag_release'  Another Late Night
                                       'tag_title'  People Make the World Go Round
                                             'bpm'  84.315
                                    'search_title'  'go':5 'make':2 'people':1 'round':6 'the':3 'world':4
                                   'search_artist'  'stylistics':1
                                  'search_release'  'another':1 'late':2 'night':3
                                     'search_rest'  '00poprockelectronic':1 'classical':6 'dance':3 'generic':2 'instruments':7 'prerock':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':11 'another':8C 'classical':16 'dance':13 'generic':12 'go':5A 'instruments':17 'late':9C 'make':2A 'night':10C 'people':1A 'prerock':15 'round':6A 'stylistics':7B 'the':3A 'trapbeat':14 'world':4A
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', '70s', 'oldies', 'philly soul', 'rnb']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561942.8422801  (2021-05-09 14:05:42)
                             'size'  6136226