======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '177'
                                          'artist'  'California  Ramblers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sweet Georgia Brown'
                                           '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'  "['jazz', 'dixieland', 'swing', 'all', '20s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz'
                                             'bpm'  '100.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TDRC' (Recording time)                             '1924'
'TIT2' (Title/songname/content description)         'Sweet Georgia Brown'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'California  Ramblers'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBYuizgWSeKJduga9IADF5gAGBS4B1+VOi1A3rgAHIBYABgAEJnrmVgAH1y4ABhSaAAarEJt/l/4ABgAGes/U36TaAAZdzgAKAAQ=='
'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:lastfmtags'                                   ['jazz', 'dixieland', 'swing', 'all', '20s']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.599463'

========================== row from database ==========================
                                              'id'  1495091
                                            'path'  /data/Music/Other/Pa/Jazz/California  Ramblers/Sweet Georgia Brown.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  177
                                           'genre'  prerock-jb-jazz
                                        'filesize'  3547420
                                           'mtime'  1676127323
                                   'redo_metaread'  0
                                        'rest_str'   Pa Jazz prerock jb jazz
                                      'tag_artist'  California  Ramblers
                                     'tag_release'  None
                                       'tag_title'  Sweet Georgia Brown
                                             'bpm'  100.2
                                    'search_title'  'brown':3 'georgia':2 'sweet':1
                                   'search_artist'  'california':1 'ramblers':2
                                  'search_release'  
                                     'search_rest'  'jazz':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'brown':3A 'california':4B 'georgia':2A 'jazz':7 'jb':9 'pa':6 'prerock':8 'ramblers':5B 'sweet':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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'  ['jazz', 'dixieland', 'swing', 'all', '20s']
                                        'tag_date'  1924
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676127322.6107178  (2023-02-11 15:55:22)
                             'size'  3547420