======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '308'
                                          'artist'  'Conjure One'
                                     'text_people'  ''
                                         'release'  'Conjure One'
                                           'title'  'Sleep'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '135.9'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'TALB' (Album/Movie/Show title)                     'Conjure One'
'TBPM' (BPM (beats per minute))                     '135.9'
'TIT2' (Title/songname/content description)         'Sleep'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Conjure One'
'TRCK' (Track number/Position in set)               '10'
'TXXX:MusicBrainz Album Id'                         'b1374cc9-4e6f-4ec8-9902-84ae1430d0a6'
'TXXX:MusicBrainz Artist Id'                        '734f6784-413d-4779-a81b-1a10f5e2a1a3'
'TXXX:MusicBrainz TRM Id'                           'b8879944-e8ae-4d2c-ac10-f5a1fdc0a3a1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1af6b9ed-55da-4a70-97d3-c33a35bbd7f4')

========================== row from database ==========================
                                              'id'  1538373
                                            'path'  /data/Music/Other/PrevSet/[2electro1-softer]/Conjure One/Sleep.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  308
                                           'genre'  
                                        'filesize'  4935982
                                           'mtime'  1662800311
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [2electro1 softer]
                                      'tag_artist'  Conjure One
                                     'tag_release'  Conjure One
                                       'tag_title'  Sleep
                                             'bpm'  135.9
                                    'search_title'  'sleep':1
                                   'search_artist'  'conjure':1 'one':2
                                  'search_release'  'conjure':1 'one':2
                                     'search_rest'  '2electro1':2,3 'prev':6 'prevset':1 'set':7 'softer':4,5
                                    'search_combo'  '2electro1':7,8 'conjure':2B,4C 'one':3B,5C 'prev':11 'prevset':6 'set':12 'sleep':1A 'softer':9,10
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800311.3245635  (2022-09-10 10:58:31)
                             'size'  4935982