======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '154'
                                          'artist'  'Bob Dylan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Corrina, Corrina'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', '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'  '12'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '103.4'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            'F90F3913+292467+19+150+12102+26413+45677+59965+69856+85654+114712+130277+151609+160475+187749+199336+207802+228083+240583+252386+264238+278751'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
'TBPM' (BPM (beats per minute))                     '103.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TIT2' (Title/songname/content description)         'Corrina, Corrina'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan'
'TRCK' (Track number/Position in set)               '12'
'TXXX:MusicMagic Data'                              'AgEBXjF1llifuaa7guf6qUWJiBKBVoJDFkWfOybtgAHeYoABgAEwIK01gQLYtItNgayAAbZ/pYDKoplEgAGyZB+l9IOn8KFIgAKAAZwMoYysOIKT8tw+/YMrg5CUbgU+oJMrfoEc8ZqZS5RFDoeug4pbvhuhKoRjkcXk6bMT/eqbgYIvs04E8PbsuBi/Kom2gzA='
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.41 dB'
'TXXX:replaygain_track_peak'                        '0.818716'

========================== row from database ==========================
                                              'id'  1495010
                                            'path'  /data/Music/Other/Pa/All/Bob Dylan/Corrina, Corrina.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  154
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  3100062
                                           'mtime'  1636135094
                                   'redo_metaread'  0
                                        'rest_str'   Pa All ifs songwriter rock
                                      'tag_artist'  Bob Dylan
                                     'tag_release'  None
                                       'tag_title'  Corrina, Corrina
                                             'bpm'  103.4
                                    'search_title'  'corrina':1,2
                                   'search_artist'  'bob':1 'dylan':2
                                  'search_release'  
                                     'search_rest'  'all':2 'ifs':3 'pa':1 'rock':5 'songwriter':4
                                    'search_combo'  'all':6 'bob':3B 'corrina':1A,2A 'dylan':4B 'ifs':7 'pa':5 'rock':9 'songwriter':8
                                    'tag_tracknum'  12
                                      '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-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636135093.8450384  (2021-11-05 18:58:13)
                             'size'  3100062