======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '212'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  'Alapalooza'
                                           'title'  "Livin' in the Fridge"
                                           'quals'  "['q-bass-3', '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'  ''
                                             'bpm'  '86.7'
                                             'key'  'D m'  (7A)
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'POPM:\x01ÿþ0'                                      POPM(email='\x01ÿþ0', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Alapalooza'
'TBPM' (BPM (beats per minute))                     '86.7'
'TIT2' (Title/songname/content description)         "Livin' in the Fridge"
'TKEY' (Initial key)                                'D m'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TRCK' (Track number/Position in set)               '8'
'TXXX:MusicBrainz Album Id'                         '028a61e5-0ed0-4d1d-91e5-df5cd60f79e3'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7746d775-9550-4360-b8d5-c37bd448ce01'
'TXXX:MusicBrainz TRM Id'                           '775669c5-3715-4f38-b772-7b7d8c78a425'
'TXXX:q-bass'                                       '3'
'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'9ebd3ab9-58c3-4f28-8427-2a883d4d196a')

========================== row from database ==========================
                                              'id'  1538695
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/Weird Al Yankovic/Livin' in the Fridge.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  212
                                           'genre'  
                                        'filesize'  3403982
                                           'mtime'  1657679642
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing]
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  Alapalooza
                                       'tag_title'  Livin' in the Fridge
                                             'bpm'  86.7
                                    'search_title'  'fridge':5 'in':3 'livin':1,2 'the':4
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  'alapalooza':1
                                     'search_rest'  '9amusing':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '9amusing':11,12 'al':7B 'alapalooza':9C 'fridge':5A 'in':3A 'livin':1A,2A 'prev':13 'prevset':10 'set':14 'the':4A 'weird':6B 'yankovic':8B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  D m
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657679641.7450163  (2022-07-13 04:34:01)
                             'size'  3403982