======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '175'
                                          'artist'  'Fred Elizalde'
                                     'text_people'  ''
                                         'release'  'Metropole 1241'
                                           'title'  "After The Sun's Kissed The World Goodbye (vocal - Al Bowlly) 4-12-1929"
                                           'quals'  ("['Q-JZFKS-2', '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-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['1307fh', '1308fh', 'jazz', 'big band swing', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '86.7'
                                             'key'  '5A'
                                        '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)                     'Metropole 1241'
'TBPM' (BPM (beats per minute))                     '86.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         "After The Sun's Kissed The World Goodbye (vocal - Al Bowlly) 4-12-1929"
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '175000'
'TPE1' (Lead performer(s)/Soloist(s))               'Fred Elizalde'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['1307fh', '1308fh', 'jazz', 'big band swing', 'swing']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.533587'

========================== row from database ==========================
                                              'id'  1507744
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Fred Elizalde - After The Sun_s Kissed The World Goodbye (vocal - Al Bowlly) 4-12-1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  175
                                           'genre'  prerock-unsorted
                                        'filesize'  3559926
                                           'mtime'  1620385782
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Sun_s prerock unsorted
                                      'tag_artist'  Fred Elizalde
                                     'tag_release'  Metropole 1241
                                       'tag_title'  After The Sun's Kissed The World Goodbye (vocal - Al Bowlly) 4-12-1929
                                             'bpm'  86.7
                                    'search_title'  '12':15 '1929':16 '4':14 '4121929':17 'after':1 'al':11 'bowlly':12,13 'goodbye':8 'kissed':6 's':4 'sun':3 'suns':5 'the':2 'vocal':9,10 'world':7
                                   'search_artist'  'elizalde':2 'fred':1
                                  'search_release'  '1241':2 'metropole':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 's':7 'sun':6 'unsorted':9
                                    'search_combo'  '00oldiepop':26 '12':15A '1241':21C '1929':16A '4':14A '4121929':17A 'after':1A 'al':11A 'bowlly':12A,13A 'country':25 'elizalde':19B 'exotica':23 'fred':18B 'goodbye':8A 'jazz':22 'kissed':6A 'metropole':20C 'oldies':24 'prerock':29 's':4A,28 'sun':3A,27 'suns':5A 'the':2A 'unsorted':30 'vocal':9A,10A 'world':7A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-other-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['1307fh', '1308fh', 'jazz', 'big band swing', 'swing']
                                        'tag_date'  1929
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620385782.3662238  (2021-05-07 13:09:42)
                             'size'  3559926