======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '210'
                                          'artist'  'Memphis  Slim'
                                     'text_people'  ''
                                         'release'  'Memphis Slim'
                                           'title'  'Three women  blues'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', "
 "'q-other-1', 'q-piano-4', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-CHART-2', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '138.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '2E102713+310339+19+150+14732+29989+42787+57188+73481+86930+99834+114206+127416+141597+169834+182682+191555+205181+233978+263595+279385+294680'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '17'
'TALB' (Album/Movie/Show title)                     'Memphis Slim'
'TBPM' (BPM (beats per minute))                     '138.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         'Three women  blues'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Memphis  Slim'
'TPE2' (Band/orchestra/accompaniment)               'Memphis  Slim'
'TRCK' (Track number/Position in set)               '17'
'TXXX:MusicMagic Data'                              'AgEBYwXbgryiLKlKgpxZjBe1gAGAz4bHCUikSM95gAHWR6vkgAEb6rFwgAHWDoBmj0WAAZgtDXquAIABgAGZCw7h4rO7xIzggAKAAYN8n8OrCYONHNstkZIKg8iDi/1loAz8QIC80wWNaoLzDwi1XoAp1GaE3ovFgAG1pfPJytONBIKZtPECgd5NsnydnYACgAE='
'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'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'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'                                      '4'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.46 dB'
'TXXX:replaygain_track_peak'                        '0.624021'

========================== row from database ==========================
                                              'id'  1495078
                                            'path'  /data/Music/Other/Pa/Boogie woogie/Memphis  Slim/Three women  blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  210
                                           'genre'  prerock-jb
                                        'filesize'  4221054
                                           'mtime'  1678975457
                                   'redo_metaread'  0
                                        'rest_str'   Pa Boogie woogie prerock jb
                                      'tag_artist'  Memphis  Slim
                                     'tag_release'  Memphis Slim
                                       'tag_title'  Three women  blues
                                             'bpm'  138.6
                                    'search_title'  'blues':3 'three':1 'women':2
                                   'search_artist'  'memphis':1 'slim':2
                                  'search_release'  'memphis':1 'slim':2
                                     'search_rest'  'boogie':2 'jb':5 'pa':1 'prerock':4 'woogie':3
                                    'search_combo'  'blues':3A 'boogie':9 'jb':12 'memphis':4B,6C 'pa':8 'prerock':11 'slim':5B,7C 'three':1A 'women':2A 'woogie':10
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', 'q-other-1', 'q-piano-4', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678975456.53412  (2023-03-16 15:04:16)
                             'size'  4221054