======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '118'
                                          'artist'  'Memphis  Slim'
                                     'text_people'  ''
                                         'release'  'Memphis Slim'
                                           'title'  'Big city  girl'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', "
 "'q-other-2', 'q-piano-4', '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'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '104.0'
                                             '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'                  '13'
'TALB' (Album/Movie/Show title)                     'Memphis Slim'
'TBPM' (BPM (beats per minute))                     '104.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Big city  girl'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Memphis  Slim'
'TPE2' (Band/orchestra/accompaniment)               'Memphis  Slim'
'TRCK' (Track number/Position in set)               '13'
'TXXX:MusicMagic Data'                              'AgEBXiCbhXect+ELjeHpAzOagAGB/4HQBDeiOgJqgavXV4ABgAEXXsrkgAHVV4ZQg2qAAbez5m6xfoABgAHCFQlw4HvLFp5egAKAAY9gnsWq0oOKC786IYPBhPqDePnInwoT1YEPz/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'                                        '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/'                       '00003c2e0000d0068e150410088234146251feff7bffe32fa3fc37bc3c7cedfffcfcd5338fbc343fe3fcee3edfccccbfff7cd1b33cfca3871cbc2b5f3bfc85fefdf88de333accf6102fc4adfe23f0e3efe57c4ddf31fd90b29d0c5b400cc038f7dcf0777dfbf76933e238efd25cc6fb138c7544ff61b057cea4bd23736038936bf8e03ffbb17430ffcc3ce747037deee9fcccccffe3f1ee33fffebcb7fd3837befcb1f32c36dcf04f3f7c1fefdff45003ee7edfce2cc087f30dca07480fcc1333ffc10159f3c7f5fd49c284f23ee97e1ccfd02b3fb1f6d3dbcdc0cbdfec81c1a03e95f7bb56c4f15d7efff650e818ccc208c014a130dccff623fcc2c5c1e11fbf1ee9d2817cdbb318cea64e877b92f1b2f49de5e3dd4cff4f15cde15d24cc805cecce77efcdfd87c30334937f8278ffa8dc7ce7caf97013b3f43e0fcb203cfbbf35bcbf4eec31cd7df3fabb2fe13cfc23e13efdcfcf7007f347b9aff773ef7ffbefdf6fefbfc000f2bbfcbfcbfcae5fbcef7ff8eefefbf3eef8e39ef9efce3befeffcefcf3be3ce2ff38fbbfafe29e37ff893cf3ca7c6f8efcdf8e3fefbe3bffbeffff8efcf3cf00'
'TXXX:lastfmtags'                                   ['blues', 'piano blues', 'classic blues', 'piano', 'memphis slim']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.594408'

========================== row from database ==========================
                                              'id'  1495018
                                            'path'  /data/Music/Other/Pa/Boogie woogie/Memphis  Slim/Big city  girl.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  118
                                           'genre'  prerock-jb
                                        'filesize'  2376417
                                           'mtime'  1678975444
                                   'redo_metaread'  0
                                        'rest_str'   Pa Boogie woogie prerock jb
                                      'tag_artist'  Memphis  Slim
                                     'tag_release'  Memphis Slim
                                       'tag_title'  Big city  girl
                                             'bpm'  104.0
                                    'search_title'  'big':1 'city':2 'girl':3
                                   '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'  'big':1A 'boogie':9 'city':2A 'girl':3A 'jb':12 'memphis':4B,6C 'pa':8 'prerock':11 'slim':5B,7C 'woogie':10
                                    'tag_tracknum'  13
                                      '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-2', 'q-piano-4', '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'  1678975443.8163357  (2023-03-16 15:04:03)
                             'size'  2376417