======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '172'
                                          'artist'  'Animaniacs'
                                     'text_people'  ''
                                         'release'  'Variety Pack'
                                           'title'  'The Monkey Song'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'Soundtrack;Comedy'
                                             'bpm'  '131.9'
                                             'key'  '1A'
                                        '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\x00active\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\x00active\x01\x08\x00\x00\x00\x00amusing')
'TALB' (Album/Movie/Show title)                     'Variety Pack'
'TBPM' (BPM (beats per minute))                     '131.9'
'TCON' (Content type, a.k.a. Genre)                 ['Soundtrack', 'Comedy']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'The Monkey Song'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Animaniacs'
'TRCK' (Track number/Position in set)               '2'
'TXXX:MusicBrainz Album Id'                         'e4237389-a8a1-42bc-a182-e5cf691206eb'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        'd6b4520c-903b-4332-8865-1eed9799aa82'
'TXXX:MusicBrainz TRM Id'                           'c1f56b28-752b-4655-a83e-640523aa33b1'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2f413563-3b86-4bb6-8bec-b637f5721297')

========================== row from database ==========================
                                              'id'  1538553
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/Monkey/Animaniacs - The Monkey Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  172
                                           'genre'  Soundtrack;Comedy
                                        'filesize'  2753415
                                           'mtime'  1662800566
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing] Soundtrack;Comedy
                                      'tag_artist'  Animaniacs
                                     'tag_release'  Variety Pack
                                       'tag_title'  The Monkey Song
                                             'bpm'  131.9
                                    'search_title'  'monkey':2 'song':3 'the':1
                                   'search_artist'  'animaniacs':1
                                  'search_release'  'pack':2 'variety':1
                                     'search_rest'  '9amusing':2,3 'comedy':5,7 'prev':8 'prevset':1 'set':9 'soundtrack':4,6
                                    'search_combo'  '9amusing':8,9 'animaniacs':4B 'comedy':11,13 'monkey':2A 'pack':6C 'prev':14 'prevset':7 'set':15 'song':3A 'soundtrack':10,12 'the':1A 'variety':5C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800565.592356  (2022-09-10 11:02:45)
                             'size'  2753415