======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '237'
                                          'artist'  'modern'
                                     'text_people'  ''
                                         'release'  'Bellini'
                                           'title'  'Casta diva  (modern)'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-2', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-2', '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'  '137.7'
                                             'key'  'G m'  (6A)
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bellini'
'TBPM' (BPM (beats per minute))                     '137.7'
'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)         'Casta diva  (modern)'
'TKEY' (Initial key)                                'G m'
'TPE1' (Lead performer(s)/Soloist(s))               'modern'
'TPE2' (Band/orchestra/accompaniment)               'modern'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBWOdlhLa13MlGhRDXJ0VEgAGCzYSFBcSnChx4gJ7NEKvknW7+3LMVj56+L4EKg4qkk8wW78/7+rHxgAHCsh4X/YrBXrJBgAKAAQ=='
'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/'                       '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'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.465840'

========================== row from database ==========================
                                              'id'  1495535
                                            'path'  /data/Music/Other/Pa/Klassiek/Casta diva (modern).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  237
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  4750791
                                           'mtime'  1621094164
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  modern
                                     'tag_release'  Bellini
                                       'tag_title'  Casta diva  (modern)
                                             'bpm'  137.7
                                    'search_title'  'casta':1 'diva':2 'modern':3,4
                                   'search_artist'  'modern':1
                                  'search_release'  'bellini':1
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  'bellini':6C 'casta':1A 'classical':10 'diva':2A 'instruments':12 'klassiek':8 'modern':3A,4A,5B 'or':11 'pa':7 'prerock':9
                                    '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-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094164.184687  (2021-05-15 17:56:04)
                             'size'  4750791