======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '164'
                                          'artist'  'Atom And His Package'
                                     'text_people'  ''
                                         'release'  'Making Love'
                                           'title'  'Pumping Iron For Enya'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '106.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'PRIV:www.mexp.dk:\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\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))                     '106.6'
'TIT2' (Title/songname/content description)         'Pumping Iron For Enya'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Atom And His Package'
'TRCK' (Track number/Position in set)               '4'
'TXXX:MusicBrainz Album Id'                         '92ca94df-20f8-4dc5-a021-188acb9eeec9'
'TXXX:MusicBrainz Artist Id'                        'b4c4c0b9-9d1b-4dcb-9430-1f2c9e821c9c'
'TXXX:MusicBrainz TRM Id'                           '8541cfec-02cd-4cc9-8661-518756e8b906'
'TXXX:q-bass'                                       '4'
'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'5ed91fac-bacc-4bf1-a714-6df7dd03ad2d')

========================== row from database ==========================
                                              'id'  1538641
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/Atom And His Package/Pumping Iron For Enya.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  164
                                           'genre'  
                                        'filesize'  2629698
                                           'mtime'  1662800468
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing]
                                      'tag_artist'  Atom And His Package
                                     'tag_release'  Making Love
                                       'tag_title'  Pumping Iron For Enya
                                             'bpm'  106.6
                                    'search_title'  'enya':4 'for':3 'iron':2 'pumping':1
                                   'search_artist'  'and':2 'atom':1 'his':3 'package':4
                                  'search_release'  'love':2 'making':1
                                     'search_rest'  '9amusing':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '9amusing':12,13 'and':6B 'atom':5B 'enya':4A 'for':3A 'his':7B 'iron':2A 'love':10C 'making':9C 'package':8B 'prev':14 'prevset':11 'pumping':1A 'set':15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800468.3114963  (2022-09-10 11:01:08)
                             'size'  2629698