======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '223'
                                          'artist'  'Leo Ferre'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "L'affiche rouge"
                                           'quals'  ("['Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-1', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', "
 "'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '108.2'
                                             'key'  'A#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         "L'affiche rouge"
'TKEY' (Initial key)                                'A#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Leo Ferre'
'TXXX:MusicMagic Data'                              'AgEBXZ68hHqrg7qxhCkiNCaSgAGCnISFAGmr3Br3hXPHK4ABi8cHVr8ZgAHk1IAwhpyAAcxV53DbdYABgAHseQq68lyjaLW+gAKAAZViooLQc4WhBFE9+o66geqD5PUFnzs28oG93UuSDoXA/jaxmY742mCPQIThhLm+NarC26W6ToCQvUQHy+m2owmpnoAZgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '1'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.404360'

========================== row from database ==========================
                                              'id'  1495145
                                            'path'  /data/Music/Other/Pa/France/Leo Ferre/L'affiche rouge.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  223
                                           'genre'  loc-eur-france
                                        'filesize'  4486108
                                           'mtime'  1621354449
                                   'redo_metaread'  0
                                        'rest_str'   Pa France loc eur france
                                      'tag_artist'  Leo Ferre
                                     'tag_release'  None
                                       'tag_title'  L'affiche rouge
                                             'bpm'  108.2
                                    'search_title'  'affiche':2 'l':1 'laffiche':3 'rouge':4
                                   'search_artist'  'ferre':2 'leo':1
                                  'search_release'  
                                     'search_rest'  'eur':4 'france':2 'loc':3 'pa':1
                                    'search_combo'  'affiche':2A 'eur':10 'ferre':6B 'france':8 'l':1A 'laffiche':3A 'leo':5B 'loc':9 'pa':7 'rouge':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  A#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621354449.1506994  (2021-05-18 18:14:09)
                             'size'  4486108