======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '210'
                                          'artist'  'Deanna Durbin'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Swanee River (film ' Nice Girl ')"
                                           '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'  '1941'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-opera'
                                             'bpm'  '139.0'
                                             'key'  '2A'
                                        '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))                     '139.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-opera'
'TDRC' (Recording time)                             '1941-01-22'
'TIT2' (Title/songname/content description)         "Swanee River (film ' Nice Girl ')"
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '210000'
'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'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.430217'

========================== row from database ==========================
                                              'id'  1498567
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1941/Deanna Durbin - Swanee River (film _ Nice Girl _) 22-1-1941.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  210
                                           'genre'  prerock-vocal-opera
                                        'filesize'  4254952
                                           'mtime'  1621625748
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1941 _ _) 22 1 1941 prerock vocal opera
                                      'tag_artist'  Deanna Durbin
                                     'tag_release'  None
                                       'tag_title'  Swanee River (film ' Nice Girl ')
                                             'bpm'  139.0
                                    'search_title'  'film':3,4 'girl':6 'nice':5 'river':2 'swanee':1
                                   'search_artist'  'deanna':1 'durbin':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':8 '1941':6 '22':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'opera':11 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':13 '1':16 '1941':14 '22':15 'country':12 'deanna':7B 'durbin':8B 'exotica':10 'film':3A,4A 'girl':6A 'jazz':9 'nice':5A 'oldies':11 'opera':19 'prerock':17 'river':2A 'swanee':1A 'vocal':18
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2A
                                           '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'  1941
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625747.79244  (2021-05-21 21:35:47)
                             'size'  4254952