======================== unified (from filesystem) ========================
                                         'bitrate'  '240.811'
                                        'duration'  '254'
                                          'artist'  'Anne Clark'
                                     'text_people'  '䄀渀渀攀\u2000䌀氀愀爀欀'
                                         'release'  'Pressure Points'
                                           'title'  'Bursting'
                                           'quals'  "['q-bass-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  '匀礀渀琀栀瀀漀瀀'
                                             'bpm'  '93.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'PRIV:www.mexp.dk:\x01\x0b\x00\x00\x00\x00good stuff\x01\x08\x00\x00\x00\x00naughty'  PRIV(owner='www.mexp.dk', data=b'\x01\x0b\x00\x00\x00\x00good stuff\x01\x08\x00\x00\x00\x00naughty')
'TALB' (Album/Movie/Show title)                     'Pressure Points'
'TBPM' (BPM (beats per minute))                     '93.9'
'TCON' (Content type, a.k.a. Genre)                 '匀礀渀琀栀瀀漀瀀'
'TIT1' (Content group description)                  '䈀甀爀猀琀椀渀最'
'TIT2' (Title/songname/content description)         'Bursting'
'TKEY' (Initial key)                                '9A'
'TOAL' (Original album/movie/show title)            '䈀甀爀猀琀椀渀最'
'TOPE' (Original artist(s)/performer(s))            '䄀渀渀攀\u2000䌀氀愀爀欀'
'TPE1' (Lead performer(s)/Soloist(s))               'Anne Clark'
'TRCK' (Track number/Position in set)               '8'
'TXXX:MusicBrainz Album Id'                         'ba96dffa-4b03-4ccf-96c6-a8c63f8a8ed6'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a019a8cf-2601-4a81-b3c3-7b279a873713'
'TXXX:MusicBrainz TRM Id'                           '67f7f924-834c-4d91-936e-91954b443106'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5ea093d3-1c78-4257-b6dd-c440ee85c122')

========================== row from database ==========================
                                              'id'  1538485
                                            'path'  /data/Music/Other/PrevSet/[2electro1-softer]/Anne Clark/Bursting.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  254
                                           'genre'  匀礀渀琀栀瀀漀瀀
                                        'filesize'  7684270
                                           'mtime'  1662800376
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [2electro1 softer] 匀礀渀琀栀瀀漀瀀
                                      'tag_artist'  Anne Clark
                                     'tag_release'  Pressure Points
                                       'tag_title'  Bursting
                                             'bpm'  93.9
                                    'search_title'  'bursting':1
                                   'search_artist'  'anne':1 'clark':2
                                  'search_release'  'points':2 'pressure':1
                                     'search_rest'  '2electro1':2,3 'prev':7 'prevset':1 'set':8 'softer':4,5 '匀礀渀琀栀瀀漀瀀':6
                                    'search_combo'  '2electro1':7,8 'anne':2B 'bursting':1A 'clark':3B 'points':5C 'pressure':4C 'prev':12 'prevset':6 'set':13 'softer':9,10 '匀礀渀琀栀瀀漀瀀':11
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['q-bass-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800375.8144817  (2022-09-10 10:59:35)
                             'size'  7684270