======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Breda  Jazz'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'New orleans stomp'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '110.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '110.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         'New orleans stomp'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Breda  Jazz'
'TXXX:MusicMagic Data'                              'AQEAAAAAg1mjapEygTffUTq5gAGAfIMrL42zGOlfgAH/9IABgvM6g7O9gAHG4IO5gU6AAcMh9i/ABYABgAHIUx5opkap9J8wgAKAAQ=='
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.63 dB'
'TXXX:replaygain_track_peak'                        '0.513296'

========================== row from database ==========================
                                              'id'  1495271
                                            'path'  /data/Music/Other/Pa/Dixieland/Breda  Jazz/New orleans stomp.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  prerock-jb
                                        'filesize'  3120904
                                           'mtime'  1678985144
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland prerock jb
                                      'tag_artist'  Breda  Jazz
                                     'tag_release'  None
                                       'tag_title'  New orleans stomp
                                             'bpm'  110.3
                                    'search_title'  'new':1 'orleans':2 'stomp':3
                                   'search_artist'  'breda':1 'jazz':2
                                  'search_release'  
                                     'search_rest'  'dixieland':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'breda':4B 'dixieland':7 'jazz':5B 'jb':9 'new':1A 'orleans':2A 'pa':6 'prerock':8 'stomp':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678985144.4864237  (2023-03-16 17:45:44)
                             'size'  3120904