======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '321'
                                          'artist'  'Francois de Roubaix'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Les aventuriers'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'french', 'instrumental', '70s', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '85.058'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:-\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'-\r\x00\x00')
'PRIV:PeakValue:au\x00\x00'                         PRIV(owner='PeakValue', data=b'au\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '85.058'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         'Les aventuriers'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Francois de Roubaix'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'french', 'instrumental', '70s', 'jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.771136'

========================== row from database ==========================
                                              'id'  773057
                                            'path'  /data/Music/Bulk/0soundtrack/Francois de Roubaix/Fran_ois de Roubaix - Les aventuriers.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  321
                                           'genre'  soundtrack-video
                                        'filesize'  5147055
                                           'mtime'  1621630357
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Fran_ois soundtrack video
                                      'tag_artist'  Francois de Roubaix
                                     'tag_release'  None
                                       'tag_title'  Les aventuriers
                                             'bpm'  85.058
                                    'search_title'  'aventuriers':2 'les':1
                                   'search_artist'  'de':2 'francois':1 'roubaix':3
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'fran':2 'ois':3 'soundtrack':4 'video':5
                                    'search_combo'  '0soundtrack':6 'aventuriers':2A 'de':4B 'fran':7 'francois':3B 'les':1A 'ois':8 'roubaix':5B 'soundtrack':9 'video':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'french', 'instrumental', '70s', 'jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630357.0408475  (2021-05-21 22:52:37)
                             'size'  5147055