======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '384'
                                          'artist'  'Memphis  Slim'
                                     'text_people'  ''
                                         'release'  'Memphis Slim'
                                           'title'  'Bertha  May'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-3', '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'  "['blues', 'piano blues', 'classic blues', 'piano', 'memphis slim']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '143.2'
                                             'key'  '10B'
                                        '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'                  '15'
'TALB' (Album/Movie/Show title)                     'Memphis Slim'
'TBPM' (BPM (beats per minute))                     '143.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         'Bertha  May'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Memphis  Slim'
'TPE2' (Band/orchestra/accompaniment)               'Memphis  Slim'
'TRCK' (Track number/Position in set)               '15'
'TXXX:MusicMagic Data'                              'AgEBXh6dhC2iS40HgHNekv8NgAGCsYVsysSWQdXpgAGpa4ABgAHUPLNpgAHXXoD3pleAAZUtjMqfCoABgAHJU+UE06PnHYyRgAKAAY9gnsWq0oOKC786IYPBhPqDePnInwoT1YEPz/eMMoLzDGCzxYApzdGFdYmOgAHAB/NK2B2NBIKZvwX/d96WtwWmYJMmgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'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:lastfmtags'                                   ['blues', 'piano blues', 'classic blues', 'piano', 'memphis slim']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.752001'

========================== row from database ==========================
                                              'id'  1495416
                                            'path'  /data/Music/Other/Pa/Boogie woogie/Memphis  Slim/Bertha  May.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  384
                                           'genre'  prerock-jb
                                        'filesize'  7689641
                                           'mtime'  1678975463
                                   'redo_metaread'  0
                                        'rest_str'   Pa Boogie woogie prerock jb
                                      'tag_artist'  Memphis  Slim
                                     'tag_release'  Memphis Slim
                                       'tag_title'  Bertha  May
                                             'bpm'  143.2
                                    'search_title'  'bertha':1 'may':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'  'bertha':1A 'boogie':8 'jb':11 'may':2A 'memphis':3B,5C 'pa':7 'prerock':10 'slim':4B,6C 'woogie':9
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', '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'  ['blues', 'piano blues', 'classic blues', 'piano', 'memphis slim']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678975462.8202512  (2023-03-16 15:04:22)
                             'size'  7689641