======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '200'
                                          'artist'  'Al Bowlly'
                                     'text_people'  ''
                                         'release'  'HMV BD- 865'
                                           'title'  'Turn Your Money (+ Jimmy Mesene)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-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'  "['30s', 'oldies', 'jazz', 'pop', '1930s', 'crooner']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-vocal;prerock-jb-jazz-vocal'
                                             'bpm'  '146.0'
                                             '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'
'TALB' (Album/Movie/Show title)                     'HMV BD- 865'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-vocal', 'prerock-jb-jazz-vocal']
'TDRC' (Recording time)                             '1940-09-12'
'TIT2' (Title/songname/content description)         'Turn Your Money (+ Jimmy Mesene)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '200000'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Bowlly'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['30s', 'oldies', 'jazz', 'pop', '1930s', 'crooner']
'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'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.747712'

========================== row from database ==========================
                                              'id'  1518082
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Al Bowlly - Turn Your Money + I_ll Never Smile (Jimmy Mesene) 12-9-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  200
                                           'genre'  prerock-vocal;prerock-jb-jazz-vocal
                                        'filesize'  4047183
                                           'mtime'  1620527051
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 I_ll Never Smile (Jimmy 12 9 1940 prerock vocal;prerock jb jazz vocal
                                      'tag_artist'  Al Bowlly
                                     'tag_release'  HMV BD- 865
                                       'tag_title'  Turn Your Money (+ Jimmy Mesene)
                                             'bpm'  146.0
                                    'search_title'  'jimmy':4 'mesene':5,6 'money':3 'turn':1 'your':2
                                   'search_artist'  'al':1 'bowlly':2
                                  'search_release'  '865':4 'bd':2,3 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1940':6 '9':13 'country':4 'exotica':2 'i':7 'jazz':1 'jb':19 'jimmy':11,12 'll':8 'never':9 'oldies':3 'prerock':14,16,18 'smile':10 'vocal':15,17,20
                                    'search_combo'  '00oldiepop':17 '1940':18 '865':12C '9':25 'al':7B 'bd':10C,11C 'bowlly':8B 'country':16 'exotica':14 'hmv':9C 'i':19 'jazz':13 'jb':31 'jimmy':4A,23,24 'll':20 'mesene':5A,6A 'money':3A 'never':21 'oldies':15 'prerock':26,28,30 'smile':22 'turn':1A 'vocal':27,29,32 'your':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', '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'  ['30s', 'oldies', 'jazz', 'pop', '1930s', 'crooner']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527050.5606987  (2021-05-09 04:24:10)
                             'size'  4047183