======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '47'
                                          'artist'  'The Simpsons'
                                     'text_people'  ''
                                         'release'  'Songs in the Key of Springfield'
                                           'title'  'End Credits Theme ("Hill Street Blues" Homage)(The Springfield Connection)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '-1'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '136.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:¡z\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1z\x00\x00')
'TALB' (Album/Movie/Show title)                     'Songs in the Key of Springfield'
'TBPM' (BPM (beats per minute))                     '136.9'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'End Credits Theme ("Hill Street Blues" Homage)(The Springfield Connection)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Simpsons'
'TRCK' (Track number/Position in set)               '17/-1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
'TXXX:q-bass'                                       '3'
'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-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.569856'

========================== row from database ==========================
                                              'id'  1310465
                                            'path'  /data/Music/Bulk/00spent/The Simpsons - Songs in the Key of Springfield - Childrens Music/The Simpsons - End Credits Theme (_Hill Street Blues_ Homage)(The Springfield Connection).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  47
                                           'genre'  soundtrack-video
                                        'filesize'  1149769
                                           'mtime'  1678463977
                                   'redo_metaread'  0
                                        'rest_str'   00spent Childrens Music (_Hill Blues_ soundtrack video
                                      'tag_artist'  The Simpsons
                                     'tag_release'  Songs in the Key of Springfield
                                       'tag_title'  End Credits Theme ("Hill Street Blues" Homage)(The Springfield Connection)
                                             'bpm'  136.9
                                    'search_title'  'blues':7 'connection':12,13 'credits':2 'end':1 'hill':4,5 'homage':8 'homagethe':10 'springfield':11 'street':6 'the':9 'theme':3
                                   'search_artist'  'simpsons':2 'the':1
                                  'search_release'  'in':2 'key':4 'of':5 'songs':1 'springfield':6 'the':3
                                     'search_rest'  '00spent':1 'blues':6 'childrens':2 'hill':4,5 'music':3 'soundtrack':7 'video':8
                                    'search_combo'  '00spent':22 'blues':7A,27 'childrens':23 'connection':12A,13A 'credits':2A 'end':1A 'hill':4A,5A,25,26 'homage':8A 'homagethe':10A 'in':17C 'key':19C 'music':24 'of':20C 'simpsons':15B 'songs':16C 'soundtrack':28 'springfield':11A,21C 'street':6A 'the':9A,14B,18C 'theme':3A 'video':29
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'Q-PIANO-3', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678463976.98166  (2023-03-10 16:59:36)
                             'size'  1149769