======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Eudore Rancoure and his Orchestra'
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                                         'release'  'Musical Selections'
                                           'title'  'Accordeon Marmelade (Rancurel)'
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                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '114.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'iTunes v6.0.1'
'TIT2' (Title/songname/content description)         'Accordeon Marmelade (Rancurel)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eudore Rancoure and his Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.434517'

========================== row from database ==========================
                                              'id'  727912
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Musical Selections/1.02. Endore Rancoure and His Orchstra Accordeon Marmelade (Rancurel).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  loc-unsorted
                                        'filesize'  6313412
                                           'mtime'  1620399942
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1.02. Endore His Orchstra loc unsorted
                                      'tag_artist'  Eudore Rancoure and his Orchestra
                                     'tag_release'  Musical Selections
                                       'tag_title'  Accordeon Marmelade (Rancurel)
                                             'bpm'  114.3
                                    'search_title'  'accordeon':1 'marmelade':2 'rancurel':3,4
                                   'search_artist'  'and':3 'eudore':1 'his':4 'orchestra':5 'rancoure':2
                                  'search_release'  'musical':1 'selections':2
                                     'search_rest'  '02':2 '1':1 '102':3 'endore':4 'his':5 'loc':7 'orchstra':6 'unsorted':8
                                    'search_combo'  '02':13 '1':12 '102':14 'accordeon':1A 'and':7B 'endore':15 'eudore':5B 'his':8B,16 'loc':18 'marmelade':2A 'musical':10C 'orchestra':9B 'orchstra':17 'rancoure':6B 'rancurel':3A,4A 'selections':11C 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620399941.9447863  (2021-05-07 17:05:41)
                             'size'  6313412