======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '76'
                                          'artist'  'The Simpsons'
                                     'text_people'  ''
                                         'release'  'Songs in the Key of Springfield'
                                           'title'  'Señor Burns (Who Shot Mr Burns? pt 2)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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 "'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
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                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '-1'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '138.6'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:¡{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1{\x00\x00')
'TALB' (Album/Movie/Show title)                     'Songs in the Key of Springfield'
'TBPM' (BPM (beats per minute))                     '138.6'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Señor Burns (Who Shot Mr Burns? pt 2)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Simpsons'
'TRCK' (Track number/Position in set)               '12/-1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
'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'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.406913'

========================== row from database ==========================
                                              'id'  1309553
                                            'path'  /data/Music/Bulk/00spent/The Simpsons - Songs in the Key of Springfield - Childrens Music/The Simpsons - Señor Burns (Who Shot Mr Burns_ pt 2).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  76
                                           'genre'  soundtrack-video
                                        'filesize'  1844788
                                           'mtime'  1678463979
                                   'redo_metaread'  0
                                        'rest_str'   00spent Childrens Music Burns_ soundtrack video
                                      'tag_artist'  The Simpsons
                                     'tag_release'  Songs in the Key of Springfield
                                       'tag_title'  Señor Burns (Who Shot Mr Burns? pt 2)
                                             'bpm'  138.6
                                    'search_title'  '2':10,11 'burns':3,8 'mr':7 'pt':9 'senor':1,2 'shot':6 'who':4,5
                                   'search_artist'  'simpsons':2 'the':1
                                  'search_release'  'in':2 'key':4 'of':5 'songs':1 'springfield':6 'the':3
                                     'search_rest'  '00spent':1 'burns':4 'childrens':2 'music':3 'soundtrack':5 'video':6
                                    'search_combo'  '00spent':20 '2':10A,11A 'burns':3A,8A,23 'childrens':21 'in':15C 'key':17C 'mr':7A 'music':22 'of':18C 'pt':9A 'senor':1A,2A 'shot':6A 'simpsons':13B 'songs':14C 'soundtrack':24 'springfield':19C 'the':12B,16C 'video':25 'who':4A,5A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678463979.2282162  (2023-03-10 16:59:39)
                             'size'  1844788