======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '187'
                                          'artist'  'Benny Goodman & His Orchestra & Helen Forrest'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ('032 Taking a chance on love - Benny Goodman & His Orchestra & Helen Forrest '
 '(24-04-1943)')
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '114.608'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.608'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         ('032 Taking a chance on love - Benny Goodman & His Orchestra & Helen Forrest '
 '(24-04-1943)')
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Benny Goodman & His Orchestra & Helen Forrest'
'TRCK' (Track number/Position in set)               '32'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.308994'

========================== row from database ==========================
                                              'id'  1455025
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/032 Taking a chance on love - Benny Goodman & His Orchestra & Helen Forrest (24-04-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  187
                                           'genre'  prerock-swing
                                        'filesize'  3009747
                                           'mtime'  1620561810
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock swing
                                      'tag_artist'  Benny Goodman & His Orchestra & Helen Forrest
                                     'tag_release'  None
                                       'tag_title'  032 Taking a chance on love - Benny Goodman & His Orchestra & Helen Forrest (24-04-1943)
                                             'bpm'  114.608
                                    'search_title'  '04':13 '1943':14 '24':12 '24041943':15 'a':2 'benny':6 'chance':3 'forrest':11 'goodman':7 'helen':10 'his':8 'love':5 'on':4 'orchestra':9 'taking':1
                                   'search_artist'  'benny':1 'forrest':6 'goodman':2 'helen':5 'his':3 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6 'swing':7
                                    'search_combo'  '00oldiepop':26 '04':13A '1943':14A '24':12A '24041943':15A 'a':2A 'benny':6A,16B 'chance':3A 'country':25 'exotica':23 'forrest':11A,21B 'goodman':7A,17B 'helen':10A,20B 'his':8A,18B 'jazz':22 'love':5A 'oldies':24 'on':4A 'orchestra':9A,19B 'prerock':27 'swing':28 'taking':1A
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561809.7101502  (2021-05-09 14:03:29)
                             'size'  3009747