======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '209'
                                          'artist'  'Gladys Rice'
                                     'text_people'  ''
                                         'release'  'HMV B-3059'
                                           'title'  "You're The Cream In My Coffee (+ Franklyn Baur) 1929"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'cpdp', 'female vocalists', 'oldies', 'real oldies']"
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '127.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'HMV B-3059'
'TBPM' (BPM (beats per minute))                     '127.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         "You're The Cream In My Coffee (+ Franklyn Baur) 1929"
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '209000'
'TPE1' (Lead performer(s)/Soloist(s))               'Gladys Rice'
'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:discogstags'                                  ['pop', 'vocal']
'TXXX:lastfmtags'                                   ['spotify', 'cpdp', 'female vocalists', 'oldies', 'real oldies']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.544244'

========================== row from database ==========================
                                              'id'  1516109
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Gladys Rice - You_re The Cream In My Coffee (+ Franklyn Baur) 1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  209
                                           'genre'  prerock-unsorted
                                        'filesize'  4240034
                                           'mtime'  1621697926
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop You_re prerock unsorted
                                      'tag_artist'  Gladys Rice
                                     'tag_release'  HMV B-3059
                                       'tag_title'  You're The Cream In My Coffee (+ Franklyn Baur) 1929
                                             'bpm'  127.8
                                    'search_title'  '1929':12 'baur':10,11 'coffee':8 'cream':5 'franklyn':9 'in':6 'my':7 're':2 'the':4 'you':1 'youre':3
                                   'search_artist'  'gladys':1 'rice':2
                                  'search_release'  '3059':3 'b':2 'b3059':4 'hmv':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 're':7 'unsorted':9 'you':6
                                    'search_combo'  '00oldiepop':23 '1929':12A '3059':17C 'b':16C 'b3059':18C 'baur':10A,11A 'coffee':8A 'country':22 'cream':5A 'exotica':20 'franklyn':9A 'gladys':13B 'hmv':15C 'in':6A 'jazz':19 'my':7A 'oldies':21 'prerock':26 're':2A,25 'rice':14B 'the':4A 'unsorted':27 'you':1A,24 'youre':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           '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-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['spotify', 'cpdp', 'female vocalists', 'oldies', 'real oldies']
                                        'tag_date'  1929
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1621697925.51031  (2021-05-22 17:38:45)
                             'size'  4240034