======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '151'
                                          'artist'  'Bob Dylan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Song to Woody'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-2', 'Q-BUSY-3', 'Q-CHART-4', "
 "'Q-JZFKS-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '139.6'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '139.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TIT2' (Title/songname/content description)         'Song to Woody'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBYq00gTup+pjfgAHWthodgAGBEYFcCbCg9QJUgAHDGqSTgvMNZKypgAHJ/oABg0qAAZ4L8N/Jx4ABgAGZyfgZD46AAY/VgAKAAZU4o6aoWIJp+tk08oJ/gnKUfg6Po2YfFoB96fSTppJrGDKvL4OowsWULYUCkLnMbcJA5tOOKoCNr6cH6ejWrhSt6IDfgDY='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.90 dB'
'TXXX:replaygain_track_peak'                        '0.343377'

========================== row from database ==========================
                                              'id'  1494986
                                            'path'  /data/Music/Other/Pa/All/Bob Dylan/Song to Woody.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  151
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  3034010
                                           'mtime'  1636135103
                                   'redo_metaread'  0
                                        'rest_str'   Pa All ifs songwriter rock
                                      'tag_artist'  Bob Dylan
                                     'tag_release'  None
                                       'tag_title'  Song to Woody
                                             'bpm'  139.6
                                    'search_title'  'song':1 'to':2 'woody':3
                                   'search_artist'  'bob':1 'dylan':2
                                  'search_release'  
                                     'search_rest'  'all':2 'ifs':3 'pa':1 'rock':5 'songwriter':4
                                    'search_combo'  'all':7 'bob':4B 'dylan':5B 'ifs':8 'pa':6 'rock':10 'song':1A 'songwriter':9 'to':2A 'woody':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-2', 'Q-CHART-4', 'q-drums-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636135103.019863  (2021-11-05 18:58:23)
                             'size'  3034010