======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '189'
                                          'artist'  "Walt Disney Soundtrack ' Snow White '"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'With A Smile And A Song'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '117.5'
                                             'key'  '6A'
                                        '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))                     '117.5'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1938'
'TIT2' (Title/songname/content description)         'With A Smile And A Song'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '189000'
'TPE1' (Lead performer(s)/Soloist(s))               "Walt Disney Soundtrack ' Snow White '"
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.663720'

========================== row from database ==========================
                                              'id'  1511967
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1938/Walt Disney Soundtrack _ Snow White _ - With A Smile And A Song 1938.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  189
                                           'genre'  soundtrack-video-movies
                                        'filesize'  3870236
                                           'mtime'  1620331585
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1938 _ _ 1938 soundtrack video movies
                                      'tag_artist'  Walt Disney Soundtrack ' Snow White '
                                     'tag_release'  None
                                       'tag_title'  With A Smile And A Song
                                             'bpm'  117.5
                                    'search_title'  'a':2 'and':4 'smile':3 'song':5 'with':1
                                   'search_artist'  'disney':2 'snow':4 'soundtrack':3 'walt':1 'white':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1938':6 'country':4 'exotica':2 'jazz':1 'movies':9 'oldies':3 'soundtrack':7 'video':8
                                    'search_combo'  '00oldiepop':15 '1938':16 'a':2A 'and':4A 'country':14 'disney':7B 'exotica':12 'jazz':11 'movies':19 'oldies':13 'smile':3A 'snow':9B 'song':5A 'soundtrack':8B,17 'video':18 'walt':6B 'white':10B 'with':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1938
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331585.159708  (2021-05-06 22:06:25)
                             'size'  3870236