======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '268'
                                          'artist'  'Barney Willen'
                                     'text_people'  ''
                                         'release'  'Musical Selections'
                                           'title'  'sous le ciel de paris'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-2', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-PIANO-3', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'french', 'cool jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '125.7'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Musical Selections'
'TBPM' (BPM (beats per minute))                     '125.7'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'sous le ciel de paris'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barney Willen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'french', 'cool jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.99 dB'
'TXXX:replaygain_track_peak'                        '0.539252'

========================== row from database ==========================
                                              'id'  726847
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Musical Selections/1.12. Barney Willen Sous le Ciel de Paris.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  268
                                           'genre'  loc-unsorted
                                        'filesize'  10751075
                                           'mtime'  1620399954
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1.12. Sous Ciel Paris loc unsorted
                                      'tag_artist'  Barney Willen
                                     'tag_release'  Musical Selections
                                       'tag_title'  sous le ciel de paris
                                             'bpm'  125.7
                                    'search_title'  'ciel':3 'de':4 'le':2 'paris':5 'sous':1
                                   'search_artist'  'barney':1 'willen':2
                                  'search_release'  'musical':1 'selections':2
                                     'search_rest'  '1':1 '112':3 '12':2 'ciel':5 'loc':7 'paris':6 'sous':4 'unsorted':8
                                    'search_combo'  '1':10 '112':12 '12':11 'barney':6B 'ciel':3A,14 'de':4A 'le':2A 'loc':16 'musical':8C 'paris':5A,15 'selections':9C 'sous':1A,13 'unsorted':17 'willen':7B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'saxophone', 'french', 'cool jazz']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620399953.9589975  (2021-05-07 17:05:53)
                             'size'  10751075