======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '75'
                                          'artist'  'The Arrogant Worms'
                                     'text_people'  ''
                                         'release'  'Live Bait'
                                           'title'  'Malcolm'
                                           'quals'  "['q-bass-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'Folk;Comedy'
                                             'bpm'  '144.4'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=204)
'PRIV:www.mexp.dk:\x01\x06\x00\x00\x00\x0090-99\x01\x07\x00\x00\x00\x00active\x01\x06\x00\x00\x00\x00funny\x01\x0b\x00\x00\x00\x00good stuff\x01\x05\x00\x00\x00\x00folk'  PRIV(owner='www.mexp.dk', data=b'\x01\x06\x00\x00\x00\x0090-99\x01\x07\x00\x00\x00\x00active\x01\x06\x00\x00\x00\x00funny\x01\x0b\x00\x00\x00\x00good stuff\x01\x05\x00\x00\x00\x00folk')
'TALB' (Album/Movie/Show title)                     'Live Bait'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 ['Folk', 'Comedy']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Malcolm'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Arrogant Worms'
'TRCK' (Track number/Position in set)               '6'
'TXXX:MusicBrainz Album Id'                         'de019df9-d7c8-4185-95ed-e2884718869c'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'e18a07b6-2df5-47ca-a3fc-6dbd3a2ef8cc'
'TXXX:MusicBrainz TRM Id'                           '1489b0c1-efea-4f72-b81c-ec7fea119199'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0cd0cde1-59dd-47d7-8a04-b70216901a70')
'UFID:musicbrainz'                                  UFID(owner='musicbrainz', data=b'0cd0cde1-59dd-47d7-8a04-b70216901a70')

========================== row from database ==========================
                                              'id'  1538411
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/The Arrogant Worms/Malcolm.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  75
                                           'genre'  Folk;Comedy
                                        'filesize'  1511424
                                           'mtime'  1662800560
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing] Folk;Comedy
                                      'tag_artist'  The Arrogant Worms
                                     'tag_release'  Live Bait
                                       'tag_title'  Malcolm
                                             'bpm'  144.4
                                    'search_title'  'malcolm':1
                                   'search_artist'  'arrogant':2 'the':1 'worms':3
                                  'search_release'  'bait':2 'live':1
                                     'search_rest'  '9amusing':2,3 'comedy':5,7 'folk':4,6 'prev':8 'prevset':1 'set':9
                                    'search_combo'  '9amusing':8,9 'arrogant':3B 'bait':6C 'comedy':11,13 'folk':10,12 'live':5C 'malcolm':1A 'prev':14 'prevset':7 'set':15 'the':2B 'worms':4B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['q-bass-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800560.296527  (2022-09-10 11:02:40)
                             'size'  1511424