======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '140'
                                          'artist'  'Charlie and his Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "You're The Top (vocal - Carl Schwedler)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', "
 "'q-grit-1', 'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-1', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['propaganda swing', 'swing', 'german', 'jazz', 'third reich']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1942'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '132.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '(nazi propaganda)'
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '132.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1942-06'
'TIT2' (Title/songname/content description)         "You're The Top (vocal - Carl Schwedler)"
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '140000'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie and his Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['propaganda swing', 'swing', 'german', 'jazz', 'third reich']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.22 dB'
'TXXX:replaygain_track_peak'                        '0.554117'

========================== row from database ==========================
                                              'id'  1503467
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1942/Charlie and his Orchestra (nazi propaganda) - You_re The Top (vocal - Carl Schwedler) -6-1942.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  140
                                           'genre'  prerock-swing
                                        'filesize'  2857074
                                           'mtime'  1620561782
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1942 (nazi propaganda) You_re 6 1942 prerock swing
                                      'tag_artist'  Charlie and his Orchestra
                                     'tag_release'  None
                                       'tag_title'  You're The Top (vocal - Carl Schwedler)
                                             'bpm'  132.4
                                    'search_title'  'carl':8 're':2 'schwedler':9,10 'the':4 'top':5 'vocal':6,7 'you':1 'youre':3
                                   'search_artist'  'and':2 'charlie':1 'his':3 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1942':6 '6':13 'country':4 'exotica':2 'jazz':1 'nazi':7,8 'oldies':3 'prerock':14 'propaganda':9,10 're':12 'swing':15 'you':11
                                    'search_combo'  '00oldiepop':19 '1942':20 '6':27 'and':12B 'carl':8A 'charlie':11B 'country':18 'exotica':16 'his':13B 'jazz':15 'nazi':21,22 'oldies':17 'orchestra':14B 'prerock':28 'propaganda':23,24 're':2A,26 'schwedler':9A,10A 'swing':29 'the':4A 'top':5A 'vocal':6A,7A 'you':1A,25 'youre':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7A
                                           '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['propaganda swing', 'swing', 'german', 'jazz', 'third reich']
                                        'tag_date'  1942
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561781.556698  (2021-05-09 14:03:01)
                             'size'  2857074