======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Deanna Durbin'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Waltzing In The Clouds (film ' Spring Parade ')"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['female vocalists in radio tv and film', '40s', 'jazz', 'female vocalists', "
 "'classical']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-opera'
                                             'bpm'  '122.0'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '122.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-opera'
'TDRC' (Recording time)                             '1940-08-29'
'TIT2' (Title/songname/content description)         "Waltzing In The Clouds (film ' Spring Parade ')"
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '165000'
'TPE1' (Lead performer(s)/Soloist(s))               'Deanna Durbin'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists in radio tv and film',
 '40s',
 'jazz',
 'female vocalists',
 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.443588'

========================== row from database ==========================
                                              'id'  1497223
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Deanna Durbin - Waltzing In The Clouds (film _ Spring Parade _) 29-8-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-vocal-opera
                                        'filesize'  3366265
                                           'mtime'  1621625745
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 _ _) 29 8 1940 prerock vocal opera
                                      'tag_artist'  Deanna Durbin
                                     'tag_release'  None
                                       'tag_title'  Waltzing In The Clouds (film ' Spring Parade ')
                                             'bpm'  122.0
                                    'search_title'  'clouds':4 'film':5,6 'in':2 'parade':8 'spring':7 'the':3 'waltzing':1
                                   'search_artist'  'deanna':1 'durbin':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1940':6 '29':7 '8':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'opera':11 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':15 '1940':16 '29':17 '8':18 'clouds':4A 'country':14 'deanna':9B 'durbin':10B 'exotica':12 'film':5A,6A 'in':2A 'jazz':11 'oldies':13 'opera':21 'parade':8A 'prerock':19 'spring':7A 'the':3A 'vocal':20 'waltzing':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['female vocalists in radio tv and film', '40s', 'jazz', 'female vocalists', 'classical']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625745.3087678  (2021-05-21 21:35:45)
                             'size'  3366265