======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '292'
                                          'artist'  'Frangois de Roubaix'
                                     'text_people'  ''
                                         'release'  'Stereo Pictures Vol. 02'
                                           'title'  'la fete des deux avions'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'soundtrack-video;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '143.416'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x90 \x00\x00'                   PRIV(owner='AverageLevel', data=b'\x90 \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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')
'TALB' (Album/Movie/Show title)                     'Stereo Pictures Vol. 02'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'la fete des deux avions'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frangois de Roubaix'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.438288'

========================== row from database ==========================
                                              'id'  789966
                                            'path'  /data/Music/Bulk/0soundtrack/Francois de Roubaix/Fran_ois de Roubaix 04. la fete des deux avions.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  292
                                           'genre'  soundtrack-video;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  11711034
                                           'mtime'  1620333009
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Francois Fran_ois 04. soundtrack video;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Frangois de Roubaix
                                     'tag_release'  Stereo Pictures Vol. 02
                                       'tag_title'  la fete des deux avions
                                             'bpm'  143.416
                                    'search_title'  'avions':5 'des':3 'deux':4 'fete':2 'la':1
                                   'search_artist'  'de':2 'frangois':1 'roubaix':3
                                  'search_release'  'pictures':2 'stereo':1 'vol':3,4
                                     'search_rest'  '04':5,6 '0soundtrack':1 'fran':3 'francois':2 'mor':17 'ois':4 'pl':12 'set':9,11,14,16 'shirleyspinoza':13,15 'soundtrack':7 'video':8,10
                                    'search_combo'  '04':17,18 '0soundtrack':13 'avions':5A 'de':7B 'des':3A 'deux':4A 'fete':2A 'fran':15 'francois':14 'frangois':6B 'la':1A 'mor':29 'ois':16 'pictures':10C 'pl':24 'roubaix':8B 'set':21,23,26,28 'shirleyspinoza':25,27 'soundtrack':19 'stereo':9C 'video':20,22 'vol':11C,12C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333009.0154016  (2021-05-06 22:30:09)
                             'size'  11711034