======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '149'
                                          'artist'  'Atom And His Package'
                                     'text_people'  ''
                                         'release'  'Making Love'
                                           'title'  'What We Do On Christmas'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'Pop'
                                             'bpm'  '95.9'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'PRIV:www.mexp.dk:\x01\x06\x00\x00\x00\x0090-99\x01\x07\x00\x00\x00\x00shouty\x01\x0b\x00\x00\x00\x00good stuff\x01\x0b\x00\x00\x00\x00background\x01\x08\x00\x00\x00\x00amusing'  PRIV(owner='www.mexp.dk', data=b'\x01\x06\x00\x00\x00\x0090-99\x01\x07\x00\x00\x00\x00shouty\x01\x0b\x00\x00\x00\x00good stuff\x01\x0b\x00\x00\x00\x00background\x01\x08\x00\x00\x00\x00amusing')
'TALB' (Album/Movie/Show title)                     'Making Love'
'TBPM' (BPM (beats per minute))                     '95.9'
'TCON' (Content type, a.k.a. Genre)                 'Pop'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'What We Do On Christmas'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Atom And His Package'
'TRCK' (Track number/Position in set)               '16'
'TXXX:MusicBrainz Album Id'                         '92ca94df-20f8-4dc5-a021-188acb9eeec9'
'TXXX:MusicBrainz Artist Id'                        'b4c4c0b9-9d1b-4dcb-9430-1f2c9e821c9c'
'TXXX:MusicBrainz TRM Id'                           '06bcfd0f-4074-4193-b759-accf2c309e6e'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'68704f0a-0d03-43ca-b474-8992edd00779')

========================== row from database ==========================
                                              'id'  1538510
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/Atom And His Package/What We Do On Christmas.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  149
                                           'genre'  Pop
                                        'filesize'  2396226
                                           'mtime'  1662800474
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing] Pop
                                      'tag_artist'  Atom And His Package
                                     'tag_release'  Making Love
                                       'tag_title'  What We Do On Christmas
                                             'bpm'  95.9
                                    'search_title'  'christmas':5 'do':3 'on':4 'we':2 'what':1
                                   'search_artist'  'and':2 'atom':1 'his':3 'package':4
                                  'search_release'  'love':2 'making':1
                                     'search_rest'  '9amusing':2,3 'pop':4 'prev':5 'prevset':1 'set':6
                                    'search_combo'  '9amusing':13,14 'and':7B 'atom':6B 'christmas':5A 'do':3A 'his':8B 'love':11C 'making':10C 'on':4A 'package':9B 'pop':15 'prev':16 'prevset':12 'set':17 'we':2A 'what':1A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800474.3833  (2022-09-10 11:01:14)
                             'size'  2396226