======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '173'
                                          'artist'  'Bert Kaempfert and His Orchestra'
                                     'text_people'  ''
                                         'release'  'The Magic Music Of Far Away Places'
                                           'title'  'Midnight In Moscow'
                                           'quals'  ("['Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['easy listening', 'instrumental', 'german', 'edhits', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '17'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '121.337'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000667 00001115 00008ACE 000093AA 00028FC8 000290DE 00008000 00008000 '
 '00000389 00000244')
'PRIV:AverageLevel:u\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'u\x16\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Magic Music Of Far Away Places'
'TBPM' (BPM (beats per minute))                     '121.337'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         'Midnight In Moscow'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bert Kaempfert and His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Bert Kaempfert and His Orchestra'
'TRCK' (Track number/Position in set)               '11/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['easy listening', 'instrumental', 'german', 'edhits', 'jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.453939'

========================== row from database ==========================
                                              'id'  1491399
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/bert kaempfert - midnight in moscow(2).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  prerock-jb
                                        'filesize'  2813559
                                           'mtime'  1630249706
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch bert kaempfert midnight in moscow(2) prerock jb
                                      'tag_artist'  Bert Kaempfert and His Orchestra
                                     'tag_release'  The Magic Music Of Far Away Places
                                       'tag_title'  Midnight In Moscow
                                             'bpm'  121.337
                                    'search_title'  'in':2 'midnight':1 'moscow':3
                                   'search_artist'  'and':3 'bert':1 'his':4 'kaempfert':2 'orchestra':5
                                  'search_release'  'away':6 'far':5 'magic':2 'music':3 'of':4 'places':7 'the':1
                                     'search_rest'  '00dutch':4 '00mid':1 '2':10 'bert':5 'europe':3 'in':8 'jb':13 'kaempfert':6 'midnight':7 'moscow':9 'moscow2':11 'north':2 'prerock':12
                                    'search_combo'  '00dutch':19 '00mid':16 '2':25 'and':6B 'away':14C 'bert':4B,20 'europe':18 'far':13C 'his':7B 'in':2A,23 'jb':28 'kaempfert':5B,21 'magic':10C 'midnight':1A,22 'moscow':3A,24 'moscow2':26 'music':11C 'north':17 'of':12C 'orchestra':8B 'places':15C 'prerock':27 'the':9C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['easy listening', 'instrumental', 'german', 'edhits', 'jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630249706.350511  (2021-08-29 17:08:26)
                             'size'  2813559