======================== unified (from filesystem) ========================
                                         'bitrate'  '205.965'
                                        'duration'  '127'
                                          'artist'  'Tony Schwartz'
                                     'text_people'  ''
                                         'release'  'Nueva York: A Tape Documentary of Puerto Rican New Yorkers'
                                           'title'  'Interview in Unemployment Compensation Office'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['ethnomusicology', 'animals', 'american', 'field recordings', 'sound art']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'loc-puertorico'
                                             'bpm'  '119.8'
                                             'key'  '6A'
                                        '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))                     '119.8'
'TCON' (Content type, a.k.a. Genre)                 'loc-puertorico'
'TDRC' (Recording time)                             '1955'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Interview in Unemployment Compensation Office'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tony Schwartz'
'TRCK' (Track number/Position in set)               '17'
'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'                                      '2'
'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'                        '+3.37 dB'
'TXXX:replaygain_track_peak'                        '0.505362'
'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 ==========================
                                              'id'  725714
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Nueva York - A Tape Documentary of Puerto Rican New Yorkers/17 Interview in Unemployment Compensation Office.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  127
                                           'genre'  loc-puertorico
                                        'filesize'  4351104
                                           'mtime'  1621698186
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 17 loc puertorico
                                      'tag_artist'  Tony Schwartz
                                     'tag_release'  Nueva York: A Tape Documentary of Puerto Rican New Yorkers
                                       'tag_title'  Interview in Unemployment Compensation Office
                                             'bpm'  119.8
                                    'search_title'  'compensation':4 'in':2 'interview':1 'office':5 'unemployment':3
                                   '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'  'loc':1 'puertorico':2
                                    'search_combo'  'a':11C 'compensation':4A 'documentary':13C 'in':2A 'interview':1A 'loc':19 'new':17C 'nueva':8C 'of':14C 'office':5A 'puerto':15C 'puertorico':20 'rican':16C 'schwartz':7B 'tape':12C 'tony':6B 'unemployment':3A 'york':9C,10C 'yorkers':18C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', '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'  1621698186.253304  (2021-05-22 17:43:06)
                             'size'  4351104