======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Brothers Four'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Island in the sun'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', "
 "'Q-UNU-1', 'Q-JZFKS-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-unsorted'
                                             'bpm'  '106.5'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '106.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TIT2' (Title/songname/content description)         'Island in the sun'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Brothers Four'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBXZMBg2mbEr9IhMrFA0UwgAGDHYVs+/ygeDAEgAHetIABgAEQK61ZgJfUwYWhgoCAAb7crJnjfrKKgAG2ugHS5aqlWasRgAKAAYVvqJu2SYQh7wU96oABgxKDBAIvoEAmgoRK0YeMMoVnCeytX4bs1Z+Ez4LzgAG84eWm8picOIABr2cNE/NNlFaoDYACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'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'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.590075'

========================== row from database ==========================
                                              'id'  1495353
                                            'path'  /data/Music/Other/Pa/All/Island in the sun.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-unsorted
                                        'filesize'  3527932
                                           'mtime'  1678985074
                                   'redo_metaread'  0
                                        'rest_str'   Pa All prerock unsorted
                                      'tag_artist'  Brothers Four
                                     'tag_release'  None
                                       'tag_title'  Island in the sun
                                             'bpm'  106.5
                                    'search_title'  'in':2 'island':1 'sun':4 'the':3
                                   'search_artist'  'brothers':1 'four':2
                                  'search_release'  
                                     'search_rest'  'all':2 'pa':1 'prerock':3 'unsorted':4
                                    'search_combo'  'all':8 'brothers':5B 'four':6B 'in':2A 'island':1A 'pa':7 'prerock':9 'sun':4A 'the':3A 'unsorted':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678985074.15488  (2023-03-16 17:44:34)
                             'size'  3527932