======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '132'
                                          'artist'  'Evelyn Knight'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Powder Your Face With Sunshine (+ Stardusters)'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['40s', 'jazz vocal', 'jazz', 'female vocalists', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1948'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '100.9'
                                             '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'
'COMM:MusicMatch_Tempo:eng'                         'None'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '100.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1948-12-25'
'TIT2' (Title/songname/content description)         'Powder Your Face With Sunshine (+ Stardusters)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '132000'
'TPE1' (Lead performer(s)/Soloist(s))               'Evelyn Knight'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['40s', 'jazz vocal', 'jazz', 'female vocalists', '60s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.474833'

========================== row from database ==========================
                                              'id'  1473256
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1948/Evelyn Knight - Powder Your Face With Sunshine (+ Stardusters) 25-12-1948.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  132
                                           'genre'  prerock-unsorted
                                        'filesize'  2701747
                                           'mtime'  1620387198
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1948 25 12 1948 prerock unsorted
                                      'tag_artist'  Evelyn Knight
                                     'tag_release'  None
                                       'tag_title'  Powder Your Face With Sunshine (+ Stardusters)
                                             'bpm'  100.9
                                    'search_title'  'face':3 'powder':1 'stardusters':6,7 'sunshine':5 'with':4 'your':2
                                   'search_artist'  'evelyn':1 'knight':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1948':6 '25':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':14 '1948':15 '25':16 'country':13 'evelyn':8B 'exotica':11 'face':3A 'jazz':10 'knight':9B 'oldies':12 'powder':1A 'prerock':17 'stardusters':6A,7A 'sunshine':5A 'unsorted':18 'with':4A 'your':2A
                                    '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['40s', 'jazz vocal', 'jazz', 'female vocalists', '60s']
                                        'tag_date'  1948
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387198.1395671  (2021-05-07 13:33:18)
                             'size'  2701747