======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '151'
                                          'artist'  'Bob Dylan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'One too many mornings'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', 'q-drums-1', 'q-other-3', "
 "'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'  '143.5'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.5'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TIT2' (Title/songname/content description)         'One too many mornings'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBYlUAm1GvsrIfhLZL/k0UgAGCd4iWElegzjRggAHLWoABgvMNErB4gAHY44iIg5SAAbCJrYzefIABgAHBEB4n65qwZp36gAKAAZeKokuqeIKYAcg+AYIggrGThgtvorcjpoCw6ySUEZHqFcCvAYYaxMGXLoUDkLnR1LxR6wuRf4DJsQwHf+0osHexx4EEgG0='
'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'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.04 dB'
'TXXX:replaygain_track_peak'                        '0.665484'

========================== row from database ==========================
                                              'id'  1495266
                                            'path'  /data/Music/Other/Pa/All/Bob Dylan/One too many mornings.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  151
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  3032989
                                           'mtime'  1636135100
                                   'redo_metaread'  0
                                        'rest_str'   Pa All ifs songwriter rock
                                      'tag_artist'  Bob Dylan
                                     'tag_release'  None
                                       'tag_title'  One too many mornings
                                             'bpm'  143.5
                                    'search_title'  'many':3 'mornings':4 'one':1 'too':2
                                   'search_artist'  'bob':1 'dylan':2
                                  'search_release'  
                                     'search_rest'  'all':2 'ifs':3 'pa':1 'rock':5 'songwriter':4
                                    'search_combo'  'all':8 'bob':5B 'dylan':6B 'ifs':9 'many':3A 'mornings':4A 'one':1A 'pa':7 'rock':11 'songwriter':10 'too':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           '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-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636135100.259106  (2021-11-05 18:58:20)
                             'size'  3032989