======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '266'
                                          'artist'  "Da Vinci's Notebook"
                                     'text_people'  ''
                                         'release'  'The Life and Times of Mike Fanning'
                                           'title'  'Title of the Song'
                                           'quals'  "['q-bass-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '143.4'
                                             'key'  'A#m'
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'The Life and Times of Mike Fanning'
'TBPM' (BPM (beats per minute))                     '143.4'
'TCMP'                                              '0'
'TDRC' (Recording time)                             '2000'
'TDRL' (Release time)                               '2000'
'TDTG' (Tagging time)                               '2007-05-05 03:56:17'
'TIT2' (Title/songname/content description)         'Title of the Song'
'TKEY' (Initial key)                                'A#m'
'TPE1' (Lead performer(s)/Soloist(s))               "Da Vinci's Notebook"
'TRCK' (Track number/Position in set)               '4/12'
'TSOP' (Performer sort order)                       "Da Vinci's Notebook"
'TXXX:MusicBrainz Album Artist'                     "Da Vinci's Notebook"
'TXXX:MusicBrainz Album Artist Id'                  'f62d7df2-aace-460e-a9bc-d1d01c06e6ca'
'TXXX:MusicBrainz Album Artist Sortname'            "Da Vinci's Notebook"
'TXXX:MusicBrainz Album Id'                         '90f456b0-e78f-45eb-9dcf-34f4551bd865'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f62d7df2-aace-460e-a9bc-d1d01c06e6ca'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicBrainz TRM Id'                           '5871cdbb-e7af-4444-8e9a-9ff953652346'
'TXXX:MusicMagic Data'                              'AgEACD3kozqXosl9g7Ho31IIgAGBLYHQ4NWZcSlwheHclKSTjrjuwLmBj8TMlY/sgnuAAcFoogTelrwcgAHLvOws5miof6+ZgAKAAZi0lfLBmIXWDVdHgINhggOE0evhnxAw/oxD2M2NC4Xk+/m8+pZ63ECZjYLWhMfPvpi//oexi4Ccw4fxk/iztQ25AYDYgF0='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'53ceba56-62a0-4713-9091-e9b9fb528ffc')

========================== row from database ==========================
                                              'id'  1538838
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/Da Vinci's Notebook/Title of the Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  266
                                           'genre'  
                                        'filesize'  4273372
                                           'mtime'  1657687008
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing]
                                      'tag_artist'  Da Vinci's Notebook
                                     'tag_release'  The Life and Times of Mike Fanning
                                       'tag_title'  Title of the Song
                                             'bpm'  143.4
                                    'search_title'  'of':2 'song':4 'the':3 'title':1
                                   'search_artist'  'da':1 'notebook':5 's':3 'vinci':2 'vincis':4
                                  'search_release'  'and':3 'fanning':7 'life':2 'mike':6 'of':5 'the':1 'times':4
                                     'search_rest'  '9amusing':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '9amusing':18,19 'and':12C 'da':5B 'fanning':16C 'life':11C 'mike':15C 'notebook':9B 'of':2A,14C 'prev':20 'prevset':17 's':7B 'set':21 'song':4A 'the':3A,10C 'times':13C 'title':1A 'vinci':6B 'vincis':8B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  A#m
                                           'quals'  ['q-bass-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657687008.3966637  (2022-07-13 06:36:48)
                             'size'  4273372