<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '327'
                                          'artist'  'Frangois de Roubaix'
                                     'text_people'  'Roubaix, François de'
                                         'release'  '10 Ans de Musique de Film'
                                           'title'  'Le Vieux Fusil'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-2', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '142.708'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75340>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1383139"/>
'TALB' (Album/Movie/Show title)                     '10 Ans de Musique de Film'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCOM' (Composer)                                   'Roubaix, François de'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes v7.6.2.9'
'TIT2' (Title/songname/content description)         'Le Vieux Fusil'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Frangois de Roubaix'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.588801'

========================== row from database ==========================
                                              'id'  1383139
                                            'path'  /data/Music/Bulk/0soundtrack/François De Roubaix - de roubaix françois - 10 ans de musiques de film vol 2/01 - le vieux fusil 1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  327
                                           'genre'  soundtrack-video-movies
                                        'filesize'  7886137
                                           'mtime'  1636916425
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack François De roubaix françois ans musiques film vol 2 01 le vieux fusil soundtrack video movies
                                      'tag_artist'  Frangois de Roubaix
                                     'tag_release'  10 Ans de Musique de Film
                                       'tag_title'  Le Vieux Fusil
                                             'bpm'  142.708
                                    'search_title'  'fusil':3 'le':1 'vieux':2
                                   'search_artist'  'de':2 'frangois':1 'roubaix':3
                                  'search_release'  'ans':1 'de':2 'film':4 'musique':3
                                     'search_rest'  '0soundtrack':1 '2':10 'ans':6 'de':4 'film':8 'francois':2,3 'fusil':13 'le':11 'movies':16 'musiques':7 'roubaix':5 'soundtrack':14 'video':15 'vieux':12 'vol':9
                                    'search_combo'  '0soundtrack':11 '2':20 'ans':7C,16 'de':5B,8C,14 'film':10C,18 'francois':12,13 'frangois':4B 'fusil':3A,23 'le':1A,21 'movies':26 'musique':9C 'musiques':17 'roubaix':6B,15 'soundtrack':24 'video':25 'vieux':2A,22 'vol':19
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-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-PLAY-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916425.102141  (2021-11-14 20:00:25)
                             'size'  7886137