======================== unified (from filesystem) ========================
                                         'bitrate'  '198.279'
                                        'duration'  '69'
                                          'artist'  'Tony Schwartz'
                                     'text_people'  ''
                                         'release'  'Nueva York: A Tape Documentary of Puerto Rican New Yorkers'
                                           'title'  'The Son of My Uncle Has a Cold Upon His Chest'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['ethnomusicology', 'animals', 'american', 'field recordings', 'sound art']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'loc-puertorico'
                                             'bpm'  '112.3'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Nueva York: A Tape Documentary of Puerto Rican New Yorkers'
'TBPM' (BPM (beats per minute))                     '112.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-puertorico'
'TDRC' (Recording time)                             '1955'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'The Son of My Uncle Has a Cold Upon His Chest'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tony Schwartz'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ethnomusicology', 'animals', 'american', 'field recordings', 'sound art']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.32 dB'
'TXXX:replaygain_track_peak'                        '0.403116'
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Nueva York - A Tape Documentary of Puerto Rican New Yorkers/29 The Son of My Uncle Has a Cold Upon His Chest.mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  69
                                           'genre'  loc-puertorico
                                        'filesize'  2780893
                                           'mtime'  1621698192
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 29 loc puertorico
                                      'tag_artist'  Tony Schwartz
                                     'tag_release'  Nueva York: A Tape Documentary of Puerto Rican New Yorkers
                                       'tag_title'  The Son of My Uncle Has a Cold Upon His Chest
                                             'bpm'  112.3
                                    'search_title'  'a':7 'chest':11 'cold':8 'has':6 'his':10 'my':4 'of':3 'son':2 'the':1 'uncle':5 'upon':9
                                   'search_artist'  'schwartz':2 'tony':1
                                  'search_release'  'a':4 'documentary':6 'new':10 'nueva':1 'of':7 'puerto':8 'rican':9 'tape':5 'york':2,3 'yorkers':11
                                     'search_rest'  '29':1 'loc':2 'puertorico':3
                                    'search_combo'  '29':25 'a':7A,17C 'chest':11A 'cold':8A 'documentary':19C 'has':6A 'his':10A 'loc':26 'my':4A 'new':23C 'nueva':14C 'of':3A,20C 'puerto':21C 'puertorico':27 'rican':22C 'schwartz':13B 'son':2A 'tape':18C 'the':1A 'tony':12B 'uncle':5A 'upon':9A 'york':15C,16C 'yorkers':24C
                                    'tag_tracknum'  29
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ethnomusicology', 'animals', 'american', 'field recordings', 'sound art']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698191.6984813  (2021-05-22 17:43:11)
                             'size'  2780893