======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '142'
                                          'artist'  'Francois de Roubaix'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Le Rapace'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'french', 'instrumental', '70s', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted;mi-guitar'
                                             'bpm'  '94.768'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '94.768'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-unsorted', 'mi-guitar']
'TIT2' (Title/songname/content description)         'Le Rapace'
'TKEY' (Initial key)                                '11A'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.635235'

========================== row from database ==========================
                                              'id'  793274
                                            'path'  /data/Music/Bulk/0soundtrack/Francois de Roubaix/Fran_ois de Roubaix  - le rapace.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  142
                                           'genre'  soundtrack-unsorted;mi-guitar
                                        'filesize'  2276200
                                           'mtime'  1621630352
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Fran_ois le rapace soundtrack unsorted;mi guitar
                                      'tag_artist'  Francois de Roubaix
                                     'tag_release'  None
                                       'tag_title'  Le Rapace
                                             'bpm'  94.768
                                    'search_title'  'le':1 'rapace':2
                                   'search_artist'  'de':2 'francois':1 'roubaix':3
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'fran':2 'guitar':11 'le':4 'mi':8,10 'ois':3 'rapace':5 'soundtrack':6 'unsorted':7,9
                                    'search_combo'  '0soundtrack':6 'de':4B 'fran':7 'francois':3B 'guitar':16 'le':1A,9 'mi':13,15 'ois':8 'rapace':2A,10 'roubaix':5B 'soundtrack':11 'unsorted':12,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'french', 'instrumental', '70s', 'jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630351.953961  (2021-05-21 22:52:31)
                             'size'  2276200