======================== unified (from filesystem) ========================
                                         'bitrate'  '160.004'
                                        'duration'  '290'
                                          'artist'  'The Dresden Dolls'
                                     'text_people'  ''
                                         'release'  'The Dresden Dolls'
                                           'title'  'The Jeep Song'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-1', 'q-piano-2', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '128.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'ogg had 160 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'The Dresden Dolls'
'TBPM' (BPM (beats per minute))                     '128.5'
'TDOR' (Original release time)                      '2003'
'TIT2' (Title/songname/content description)         'The Jeep Song'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dresden Dolls'
'TRCK' (Track number/Position in set)               '10'
'TXXX:MusicBrainz Album Id'                         '425c3693-4c00-4d4e-bc2d-4fc39ff4eeb0'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '107c7983-0728-46ea-8550-77e698adf690'
'TXXX:MusicBrainz TRM Id'                           '2db5049d-6c1d-45d4-af2a-2eb3fd150f93'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'658eaa67-776c-4089-956c-399e216ec4fc')

========================== row from database ==========================
                                              'id'  1538522
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Dresden Dolls/The Jeep Song.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  290
                                           'genre'  
                                        'filesize'  5817663
                                           'mtime'  1662800205
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1]
                                      'tag_artist'  The Dresden Dolls
                                     'tag_release'  The Dresden Dolls
                                       'tag_title'  The Jeep Song
                                             'bpm'  128.5
                                    'search_title'  'jeep':2 'song':3 'the':1
                                   'search_artist'  'dolls':3 'dresden':2 'the':1
                                  'search_release'  'dolls':3 'dresden':2 'the':1
                                     'search_rest'  '0yay1':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '0yay1':11,12 'dolls':6B,9C 'dresden':5B,8C 'jeep':2A 'prev':13 'prevset':10 'set':14 'song':3A 'the':1A,4B,7C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-1', 'q-piano-2', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800205.015996  (2022-09-10 10:56:45)
                             'size'  5817663