======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '287'
                                          'artist'  'Rossini'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Barbier van Sevilla'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '138.6'
                                             'key'  'G#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '138.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Barbier van Sevilla'
'TKEY' (Initial key)                                'G#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Rossini'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBWfJyhoq1RMSmg+8mWDH3gAGB24SFGWWrnQ8xgITuE4ABgvMQvsrvgAHZobpTi/6AAev49Ujz4YABs2e27A4i9yTRhLkxgAKAAY65vuvLPYTA+6M6cY25gpeBgBJ+ojUR24A31c6DqoDkBAux+4AMvVmMSIqLgAHJKxK82fCCp4fluoMY0/BVrrOqvYACgAE='
'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'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '00002f7000009d075f1540000605004090010300802ac7cea72f4b8f05b70fb37ffe27dd379e63ac9b3beb4c58bf2f3ce6d70dc4ffbe4ce3e37fff7fcf7ecdca01ff13ef48ff17cfcc5f13cfdfffb7fffffbe7ffffefc3ffddff1fb2bbdf8fbcf7efcfeeceff9f3dffff335f9fdf737f0fff63ff6fff6f39dccfc7cccfff0f0dfdfe0a6ffd1f6bc4bf2f5baf3d8f0709f38f071ff0df1b1fb8cf4b0ff4ef53cf78ef43cfef6f03cec37f7fdfcedf2f0ffffb2b3fdb3d4cfcb7bfd0f6f2ff69f7e4ff0ff0fccf3f3ced7f3cfec5effdffdbffa73cc2bf69cf2fbfc9d3f5cf0393bf2fd1700e95bffc5c3f3ef37dff6dfffcaf54b1325fdffefc9fbf7be83f3f33ae7f3ff73ec3cfcff6efafbb8fdfcfafaff32c8fa3d31d853c6f07802cbf0281cc5f237fbecf22ff93bf13e1f63f18c035bfc0fbfaff335bf62b1cf74fdfccfafb4f4cc7ff6fbe4f624f9e481ffa46cfd83f3a1bf2ff07eff78f1e6b3f7b1ffecebb08dfc0efaaaab4e3fb35c30d7fe61c3bd39efbf35e35e7bd3cfffffdfbfc38e34ef4ffff6cf3f73ff2287bfe7ffcfffffffffefbcb1dbeff0ef4b2df3f735d7287fefafbfec0'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.455379'

========================== row from database ==========================
                                              'id'  1495044
                                            'path'  /data/Music/Other/Pa/Klassiek/Barbier van Sevilla.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  287
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  5752572
                                           'mtime'  1621094163
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  Rossini
                                     'tag_release'  None
                                       'tag_title'  Barbier van Sevilla
                                             'bpm'  138.6
                                    'search_title'  'barbier':1 'sevilla':3 'van':2
                                   'search_artist'  'rossini':1
                                  'search_release'  
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  'barbier':1A 'classical':8 'instruments':10 'klassiek':6 'or':9 'pa':5 'prerock':7 'rossini':4B 'sevilla':3A 'van':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094163.0104265  (2021-05-15 17:56:03)
                             'size'  5752572